Second Wielder (Alternate Art)

Challenger Series: My Hero Academia - Dark Hero Arc · #MHA08 17/20

Second Wielder (Alternate Art) — Challenger Series: My Hero Academia - Dark Hero Arc

Second Wielder (Alternate Art)

TCGPlayer · US market · FoilUS$4.79USD market referenceUpdated 23 Oct 2026
SetChallenger Series: My Hero Academia - Dark Hero Arc
NumberMHA08 17/20
RarityUC-ALT
Set CodeDHA
Print Type

Second Wielder (Alternate Art)

TCGPlayer · US market · FoilUS$4.79USD market referenceUpdated 23 Oct 2026
▼82.26%historical change

Ungraded card references. Condition and selling costs affect what you receive; graded slab values are not covered.

Second Wielder (Alternate Art) #MHA08 17/20 from Challenger Series: My Hero Academia - Dark Hero Arc (Foil): TCGPlayer US-market reference US$4.79, updated 23 Oct 2026. Source currency: USD.

What does this price mean?

TCGPlayer is a US-market reference in USD. Cardmarket uses a Broad foil guide · EUR source, converted from EUR to USD; it is not UK-only pricing. Prices refer to the displayed printing. Your card's condition, language, grading and selling costs can affect what you receive.

US market price history · 11 Oct 2024 – 23 Oct 2026
719 recorded price points. Change compares the first and last points shown.

View recorded prices as a table
US market-price observations in USD · Foil
DateMarket price
11 Oct 2024$27.00
12 Oct 2024$26.75
13 Oct 2024$26.75
14 Oct 2024$27.00
15 Oct 2024$26.25
16 Oct 2024$25.00
17 Oct 2024$25.00
18 Oct 2024$25.24
19 Oct 2024$25.24
20 Oct 2024$25.24
21 Oct 2024$25.24
22 Oct 2024$25.24
23 Oct 2024$25.24
24 Oct 2024$23.49
25 Oct 2024$23.49
26 Oct 2024$23.49
27 Oct 2024$23.49
28 Oct 2024$23.49
29 Oct 2024$23.49
30 Oct 2024$23.49
31 Oct 2024$23.49
1 Nov 2024$23.49
2 Nov 2024$23.49
3 Nov 2024$23.49
4 Nov 2024$23.49
5 Nov 2024$23.49
6 Nov 2024$23.49
7 Nov 2024$23.49
8 Nov 2024$23.49
9 Nov 2024$23.49
10 Nov 2024$23.49
11 Nov 2024$23.49
12 Nov 2024$23.49
13 Nov 2024$23.49
14 Nov 2024$23.49
15 Nov 2024$23.49
16 Nov 2024$23.49
17 Nov 2024$23.49
18 Nov 2024$23.49
19 Nov 2024$23.49
20 Nov 2024$23.49
21 Nov 2024$23.49
22 Nov 2024$23.49
23 Nov 2024$23.49
24 Nov 2024$23.49
25 Nov 2024$23.49
26 Nov 2024$23.49
27 Nov 2024$23.49
28 Nov 2024$23.49
29 Nov 2024$23.49
30 Nov 2024$23.49
1 Dec 2024$23.49
2 Dec 2024$23.49
3 Dec 2024$23.49
4 Dec 2024$23.49
5 Dec 2024$23.49
6 Dec 2024$23.49
7 Dec 2024$23.49
8 Dec 2024$23.49
9 Dec 2024$23.49
10 Dec 2024$23.49
11 Dec 2024$23.49
12 Dec 2024$23.49
13 Dec 2024$23.49
14 Dec 2024$23.49
15 Dec 2024$23.49
16 Dec 2024$23.49
17 Dec 2024$23.49
18 Dec 2024$23.49
19 Dec 2024$23.49
20 Dec 2024$23.49
21 Dec 2024$23.49
22 Dec 2024$23.49
23 Dec 2024$23.49
24 Dec 2024$23.49
25 Dec 2024$23.49
26 Dec 2024$23.49
27 Dec 2024$23.49
28 Dec 2024$23.49
29 Dec 2024$23.49
30 Dec 2024$23.49
31 Dec 2024$23.49
1 Jan 2025$23.49
2 Jan 2025$23.49
3 Jan 2025$23.49
4 Jan 2025$23.49
5 Jan 2025$23.49
6 Jan 2025$23.49
7 Jan 2025$23.49
8 Jan 2025$23.49
9 Jan 2025$23.49
10 Jan 2025$23.49
11 Jan 2025$23.49
12 Jan 2025$23.49
13 Jan 2025$23.49
14 Jan 2025$23.49
15 Jan 2025$23.49
16 Jan 2025$23.49
17 Jan 2025$19.86
18 Jan 2025$19.86
19 Jan 2025$19.86
20 Jan 2025$19.86
21 Jan 2025$19.86
22 Jan 2025$19.86
23 Jan 2025$19.86
24 Jan 2025$19.86
25 Jan 2025$19.86
26 Jan 2025$19.86
27 Jan 2025$19.86
28 Jan 2025$19.86
29 Jan 2025$19.86
30 Jan 2025$19.86
31 Jan 2025$19.86
1 Feb 2025$19.86
2 Feb 2025$19.86
3 Feb 2025$19.86
4 Feb 2025$19.86
5 Feb 2025$19.86
6 Feb 2025$19.86
7 Feb 2025$19.86
8 Feb 2025$19.86
9 Feb 2025$19.86
10 Feb 2025$19.86
11 Feb 2025$19.86
12 Feb 2025$19.86
13 Feb 2025$19.86
14 Feb 2025$19.86
15 Feb 2025$19.86
16 Feb 2025$19.86
17 Feb 2025$19.86
18 Feb 2025$19.86
19 Feb 2025$19.86
20 Feb 2025$19.86
21 Feb 2025$19.86
22 Feb 2025$19.86
23 Feb 2025$19.86
24 Feb 2025$19.86
25 Feb 2025$19.86
26 Feb 2025$19.86
27 Feb 2025$19.86
28 Feb 2025$19.86
1 Mar 2025$19.86
2 Mar 2025$19.86
3 Mar 2025$19.86
4 Mar 2025$19.86
5 Mar 2025$19.86
6 Mar 2025$19.86
7 Mar 2025$19.86
8 Mar 2025$19.86
9 Mar 2025$19.86
10 Mar 2025$19.86
11 Mar 2025$19.86
12 Mar 2025$19.86
13 Mar 2025$19.86
14 Mar 2025$19.86
15 Mar 2025$19.86
16 Mar 2025$19.86
17 Mar 2025$19.86
18 Mar 2025$19.86
19 Mar 2025$17.45
20 Mar 2025$17.45
21 Mar 2025$17.45
22 Mar 2025$17.45
23 Mar 2025$17.45
24 Mar 2025$17.45
25 Mar 2025$17.45
26 Mar 2025$17.45
27 Mar 2025$17.45
28 Mar 2025$17.45
29 Mar 2025$17.45
30 Mar 2025$17.45
31 Mar 2025$17.45
1 Apr 2025$17.45
2 Apr 2025$17.45
3 Apr 2025$17.45
4 Apr 2025$17.45
5 Apr 2025$17.45
6 Apr 2025$17.45
7 Apr 2025$17.45
8 Apr 2025$17.45
9 Apr 2025$17.45
10 Apr 2025$17.45
11 Apr 2025$17.45
12 Apr 2025$17.45
13 Apr 2025$17.45
14 Apr 2025$15.57
15 Apr 2025$15.57
16 Apr 2025$15.57
17 Apr 2025$12.27
18 Apr 2025$12.27
19 Apr 2025$12.27
20 Apr 2025$12.27
21 Apr 2025$12.27
22 Apr 2025$12.27
23 Apr 2025$8.41
24 Apr 2025$8.41
25 Apr 2025$8.41
26 Apr 2025$8.41
27 Apr 2025$8.41
28 Apr 2025$8.41
29 Apr 2025$8.41
30 Apr 2025$8.41
1 May 2025$8.41
2 May 2025$8.41
3 May 2025$8.41
4 May 2025$7.32
5 May 2025$7.32
6 May 2025$7.32
7 May 2025$7.32
8 May 2025$7.32
9 May 2025$7.32
10 May 2025$7.32
11 May 2025$7.32
12 May 2025$7.32
13 May 2025$7.32
14 May 2025$7.32
15 May 2025$7.32
16 May 2025$7.32
17 May 2025$7.32
18 May 2025$7.32
19 May 2025$7.32
20 May 2025$7.32
21 May 2025$7.32
22 May 2025$7.32
23 May 2025$7.32
24 May 2025$7.32
25 May 2025$7.32
26 May 2025$7.32
27 May 2025$7.32
28 May 2025$7.32
29 May 2025$7.32
30 May 2025$7.32
31 May 2025$7.32
1 Jun 2025$7.32
2 Jun 2025$7.32
3 Jun 2025$7.32
4 Jun 2025$7.32
5 Jun 2025$7.32
6 Jun 2025$7.32
7 Jun 2025$7.32
8 Jun 2025$7.32
9 Jun 2025$7.32
10 Jun 2025$7.32
11 Jun 2025$7.32
12 Jun 2025$7.32
13 Jun 2025$7.32
14 Jun 2025$7.32
15 Jun 2025$7.32
16 Jun 2025$7.32
17 Jun 2025$7.32
18 Jun 2025$7.32
19 Jun 2025$7.32
20 Jun 2025$7.32
21 Jun 2025$7.32
22 Jun 2025$7.32
23 Jun 2025$7.32
24 Jun 2025$7.32
25 Jun 2025$7.32
26 Jun 2025$7.32
27 Jun 2025$7.32
28 Jun 2025$7.32
29 Jun 2025$7.32
30 Jun 2025$7.32
1 Jul 2025$7.32
2 Jul 2025$7.32
3 Jul 2025$7.32
4 Jul 2025$7.32
5 Jul 2025$7.32
6 Jul 2025$7.32
7 Jul 2025$7.32
8 Jul 2025$7.32
9 Jul 2025$7.32
10 Jul 2025$7.32
11 Jul 2025$7.32
12 Jul 2025$7.32
13 Jul 2025$7.32
14 Jul 2025$7.32
15 Jul 2025$7.32
16 Jul 2025$6.90
17 Jul 2025$6.90
18 Jul 2025$6.11
19 Jul 2025$6.11
20 Jul 2025$6.11
21 Jul 2025$6.11
22 Jul 2025$6.11
23 Jul 2025$6.11
24 Jul 2025$6.11
25 Jul 2025$6.11
26 Jul 2025$6.11
27 Jul 2025$6.11
28 Jul 2025$6.11
29 Jul 2025$6.11
30 Jul 2025$6.11
31 Jul 2025$6.11
1 Aug 2025$6.11
2 Aug 2025$6.11
3 Aug 2025$6.11
4 Aug 2025$5.59
5 Aug 2025$5.59
6 Aug 2025$5.59
7 Aug 2025$5.59
8 Aug 2025$5.59
9 Aug 2025$5.59
10 Aug 2025$5.59
11 Aug 2025$5.59
12 Aug 2025$5.59
13 Aug 2025$5.59
14 Aug 2025$5.59
15 Aug 2025$5.03
16 Aug 2025$5.03
17 Aug 2025$5.03
18 Aug 2025$5.03
19 Aug 2025$5.03
20 Aug 2025$5.03
21 Aug 2025$5.03
22 Aug 2025$5.03
23 Aug 2025$5.03
24 Aug 2025$5.03
25 Aug 2025$5.03
26 Aug 2025$5.03
27 Aug 2025$5.03
28 Aug 2025$5.03
29 Aug 2025$5.03
30 Aug 2025$5.03
31 Aug 2025$5.03
1 Sept 2025$5.03
2 Sept 2025$5.03
3 Sept 2025$5.03
4 Sept 2025$5.03
5 Sept 2025$4.71
6 Sept 2025$4.71
7 Sept 2025$4.71
8 Sept 2025$4.71
9 Sept 2025$4.71
10 Sept 2025$4.71
11 Sept 2025$4.71
12 Sept 2025$4.71
13 Sept 2025$4.71
14 Sept 2025$4.71
15 Sept 2025$4.32
16 Sept 2025$4.32
17 Sept 2025$4.32
18 Sept 2025$4.32
19 Sept 2025$4.32
20 Sept 2025$4.32
21 Sept 2025$4.32
22 Sept 2025$4.32
23 Sept 2025$4.32
24 Sept 2025$4.32
25 Sept 2025$4.32
26 Sept 2025$3.85
27 Sept 2025$3.85
28 Sept 2025$3.85
29 Sept 2025$3.85
30 Sept 2025$3.85
1 Oct 2025$3.85
2 Oct 2025$3.70
3 Oct 2025$3.70
4 Oct 2025$3.70
5 Oct 2025$3.70
6 Oct 2025$3.70
7 Oct 2025$3.70
8 Oct 2025$3.70
9 Oct 2025$3.70
10 Oct 2025$3.70
11 Oct 2025$3.70
12 Oct 2025$3.70
13 Oct 2025$3.70
14 Oct 2025$3.70
15 Oct 2025$3.70
16 Oct 2025$3.70
17 Oct 2025$3.70
18 Oct 2025$3.70
19 Oct 2025$3.70
20 Oct 2025$3.70
21 Oct 2025$3.70
22 Oct 2025$3.85
23 Oct 2025$3.85
24 Oct 2025$3.85
25 Oct 2025$3.85
26 Oct 2025$3.85
27 Oct 2025$3.85
28 Oct 2025$3.85
29 Oct 2025$3.85
30 Oct 2025$3.85
31 Oct 2025$2.68
1 Nov 2025$2.68
2 Nov 2025$2.68
3 Nov 2025$2.68
4 Nov 2025$2.68
5 Nov 2025$2.68
6 Nov 2025$2.68
7 Nov 2025$2.68
8 Nov 2025$2.68
9 Nov 2025$2.68
10 Nov 2025$2.68
11 Nov 2025$2.68
12 Nov 2025$2.68
13 Nov 2025$2.68
14 Nov 2025$2.68
15 Nov 2025$2.68
16 Nov 2025$2.68
17 Nov 2025$2.68
18 Nov 2025$2.68
19 Nov 2025$2.68
20 Nov 2025$2.68
21 Nov 2025$2.68
22 Nov 2025$2.68
23 Nov 2025$2.68
24 Nov 2025$2.68
25 Nov 2025$2.68
26 Nov 2025$2.68
27 Nov 2025$2.68
28 Nov 2025$2.68
29 Nov 2025$2.68
30 Nov 2025$2.68
1 Dec 2025$2.68
2 Dec 2025$2.68
3 Dec 2025$2.68
4 Dec 2025$2.68
5 Dec 2025$2.68
6 Dec 2025$2.68
7 Dec 2025$2.68
8 Dec 2025$2.57
9 Dec 2025$2.57
10 Dec 2025$2.57
11 Dec 2025$2.57
12 Dec 2025$2.57
13 Dec 2025$2.57
14 Dec 2025$2.57
15 Dec 2025$2.57
16 Dec 2025$2.57
17 Dec 2025$2.57
18 Dec 2025$2.57
19 Dec 2025$2.57
20 Dec 2025$2.57
21 Dec 2025$2.57
22 Dec 2025$2.62
23 Dec 2025$2.62
24 Dec 2025$2.62
25 Dec 2025$2.62
26 Dec 2025$2.62
27 Dec 2025$2.62
28 Dec 2025$2.62
29 Dec 2025$2.62
30 Dec 2025$2.62
31 Dec 2025$2.75
1 Jan 2026$2.75
2 Jan 2026$2.75
3 Jan 2026$2.75
4 Jan 2026$2.75
5 Jan 2026$2.75
6 Jan 2026$2.75
7 Jan 2026$2.75
8 Jan 2026$2.75
9 Jan 2026$2.74
10 Jan 2026$2.74
11 Jan 2026$2.74
12 Jan 2026$2.74
13 Jan 2026$2.74
14 Jan 2026$2.72
15 Jan 2026$2.72
16 Jan 2026$2.72
17 Jan 2026$2.72
18 Jan 2026$2.72
19 Jan 2026$2.72
20 Jan 2026$2.72
21 Jan 2026$2.72
22 Jan 2026$2.72
23 Jan 2026$2.72
24 Jan 2026$2.72
25 Jan 2026$2.72
26 Jan 2026$2.72
27 Jan 2026$2.72
28 Jan 2026$2.72
29 Jan 2026$2.72
30 Jan 2026$2.72
31 Jan 2026$2.69
1 Feb 2026$2.69
2 Feb 2026$2.69
3 Feb 2026$2.69
4 Feb 2026$2.69
5 Feb 2026$2.69
6 Feb 2026$2.69
7 Feb 2026$2.69
8 Feb 2026$2.69
9 Feb 2026$2.69
10 Feb 2026$2.69
11 Feb 2026$2.53
12 Feb 2026$2.53
13 Feb 2026$2.53
14 Feb 2026$2.53
15 Feb 2026$2.53
16 Feb 2026$2.53
17 Feb 2026$2.53
18 Feb 2026$2.53
19 Feb 2026$2.53
20 Feb 2026$2.53
21 Feb 2026$2.53
22 Feb 2026$2.53
23 Feb 2026$2.53
24 Feb 2026$2.53
25 Feb 2026$2.53
26 Feb 2026$2.47
27 Feb 2026$2.47
28 Feb 2026$2.47
1 Mar 2026$2.47
2 Mar 2026$2.47
3 Mar 2026$2.47
4 Mar 2026$2.47
5 Mar 2026$2.51
6 Mar 2026$2.51
7 Mar 2026$2.51
8 Mar 2026$2.51
9 Mar 2026$2.51
10 Mar 2026$2.51
11 Mar 2026$2.51
12 Mar 2026$2.51
13 Mar 2026$2.51
14 Mar 2026$2.45
15 Mar 2026$2.45
16 Mar 2026$2.45
17 Mar 2026$2.45
18 Mar 2026$2.45
19 Mar 2026$2.37
20 Mar 2026$2.37
21 Mar 2026$2.37
22 Mar 2026$2.37
23 Mar 2026$2.37
24 Mar 2026$2.24
25 Mar 2026$2.24
26 Mar 2026$2.30
27 Mar 2026$2.30
28 Mar 2026$2.30
29 Mar 2026$2.30
30 Mar 2026$2.30
31 Mar 2026$2.30
1 Apr 2026$2.30
2 Apr 2026$2.30
3 Apr 2026$2.37
4 Apr 2026$2.33
5 Apr 2026$2.33
6 Apr 2026$2.33
8 Apr 2026$2.33
9 Apr 2026$2.33
10 Apr 2026$2.33
11 Apr 2026$2.33
12 Apr 2026$2.33
13 Apr 2026$2.33
14 Apr 2026$2.33
15 Apr 2026$2.33
16 Apr 2026$2.33
17 Apr 2026$2.33
18 Apr 2026$2.33
19 Apr 2026$2.33
20 Apr 2026$2.33
21 Apr 2026$2.33
22 Apr 2026$2.33
23 Apr 2026$2.23
24 Apr 2026$2.06
25 Apr 2026$2.06
26 Apr 2026$2.06
27 Apr 2026$2.06
28 Apr 2026$2.06
29 Apr 2026$2.06
30 Apr 2026$2.06
1 May 2026$2.13
2 May 2026$2.13
3 May 2026$2.13
4 May 2026$2.13
5 May 2026$2.13
6 May 2026$2.13
7 May 2026$2.13
8 May 2026$2.13
9 May 2026$2.13
10 May 2026$2.13
11 May 2026$2.13
12 May 2026$2.13
13 May 2026$2.13
14 May 2026$2.13
15 May 2026$2.13
16 May 2026$2.13
17 May 2026$2.13
18 May 2026$2.13
19 May 2026$2.13
20 May 2026$2.13
21 May 2026$2.13
22 May 2026$2.13
23 May 2026$2.13
24 May 2026$2.13
25 May 2026$2.13
26 May 2026$2.13
27 May 2026$2.13
28 May 2026$2.13
29 May 2026$2.13
30 May 2026$2.13
31 May 2026$2.13
1 Jun 2026$2.17
2 Jun 2026$2.17
3 Jun 2026$2.17
4 Jun 2026$2.17
5 Jun 2026$2.17
6 Jun 2026$2.19
7 Jun 2026$2.19
8 Jun 2026$2.19
9 Jun 2026$2.19
10 Jun 2026$2.19
11 Jun 2026$2.19
12 Jun 2026$2.19
13 Jun 2026$2.24
14 Jun 2026$2.24
15 Jun 2026$2.24
16 Jun 2026$2.24
17 Jun 2026$2.24
18 Jun 2026$2.24
19 Jun 2026$2.24
20 Jun 2026$2.24
21 Jun 2026$2.19
22 Jun 2026$2.19
23 Jun 2026$2.19
24 Jun 2026$2.19
25 Jun 2026$2.19
26 Jun 2026$2.19
27 Jun 2026$2.19
28 Jun 2026$2.19
29 Jun 2026$2.05
30 Jun 2026$2.05
1 Jul 2026$2.05
2 Jul 2026$2.05
3 Jul 2026$2.05
4 Jul 2026$2.05
5 Jul 2026$2.05
6 Jul 2026$2.05
7 Jul 2026$2.05
8 Jul 2026$2.05
9 Jul 2026$2.02
10 Jul 2026$2.02
11 Jul 2026$2.02
12 Jul 2026$2.02
13 Jul 2026$2.02
14 Jul 2026$2.02
15 Jul 2026$2.02
16 Jul 2026$2.02
17 Jul 2026$2.02
18 Jul 2026$2.02
19 Jul 2026$2.02
20 Jul 2026$2.02
21 Jul 2026$2.02
22 Jul 2026$2.02
23 Jul 2026$2.02
24 Jul 2026$2.02
25 Jul 2026$2.02
26 Jul 2026$2.02
27 Jul 2026$2.02
28 Jul 2026$2.02
29 Jul 2026$2.02
30 Jul 2026$2.02
31 Jul 2026$2.02
1 Aug 2026$2.02
2 Aug 2026$2.02
3 Aug 2026$2.02
4 Aug 2026$2.02
5 Aug 2026$2.02
6 Aug 2026$2.02
7 Aug 2026$2.02
8 Aug 2026$2.02
9 Aug 2026$2.02
10 Aug 2026$2.02
11 Aug 2026$2.02
12 Aug 2026$2.02
13 Aug 2026$2.02
14 Aug 2026$2.02
15 Aug 2026$2.02
16 Aug 2026$2.02
17 Aug 2026$2.02
18 Aug 2026$2.02
19 Aug 2026$2.02
20 Aug 2026$2.83
21 Aug 2026$2.83
22 Aug 2026$2.83
23 Aug 2026$2.83
24 Aug 2026$2.79
25 Aug 2026$2.84
26 Aug 2026$2.84
27 Aug 2026$2.84
28 Aug 2026$2.84
29 Aug 2026$2.84
30 Aug 2026$2.84
31 Aug 2026$2.84
1 Sept 2026$2.84
2 Sept 2026$2.84
3 Sept 2026$2.84
4 Sept 2026$2.84
5 Sept 2026$2.84
6 Sept 2026$2.84
7 Sept 2026$2.84
8 Sept 2026$2.84
9 Sept 2026$2.84
10 Sept 2026$2.90
11 Sept 2026$2.90
12 Sept 2026$2.90
13 Sept 2026$2.90
14 Sept 2026$2.90
15 Sept 2026$2.99
16 Sept 2026$2.99
19 Sept 2026$3.04
22 Sept 2026$3.14
25 Sept 2026$3.14
28 Sept 2026$3.14
1 Oct 2026$3.22
4 Oct 2026$3.26
7 Oct 2026$3.26
10 Oct 2026$3.34
15 Oct 2026$3.49
16 Oct 2026$3.49
17 Oct 2026$3.49
20 Oct 2026$3.49
21 Oct 2026$3.71
23 Oct 2026$4.79
Period high$27.00
Period low$2.02
Period average$8.45
Recorded points719

Sales History

2 sold · all variants(30D)

Sales recorded · 21 Sept 2026 – 20 Oct 2026. Sales are grouped into reporting periods; the final date is the latest available data.

Showing Foil - Near Mint - English

Click a bar to view full breakdown
View recorded sales data
Reporting periods for Foil - Near Mint - English. Missing values are shown as a dash.
DateUnits soldTransactionsMarket priceDetails
23/09/202600$3.14View sales
26/09/202600$3.14View sales
29/09/202600$3.14View sales
02/10/202600$3.26View sales
05/10/202600$3.26View sales
08/10/202600$3.26View sales
11/10/202621$3.41View sales
14/10/202600$3.49View sales
17/10/202600$3.49View sales
20/10/202600$4.00View sales
2Units sold · selected condition
1Transactions · selected condition
$3.36Average recorded market price
$6.00Lowest Sale
$6.00Highest Sale

Average recorded market price is the simple mean of reporting periods with a positive market price; it is not weighted by sales volume. A dash means no usable observation is available.