Koyori's Assistant (U)
Ungraded card references. Condition and selling costs affect what you receive; graded slab values are not covered.
Koyori's Assistant (U) #hBP04-105 from Extra Booster: Summer hologram (Normal): TCGPlayer US-market reference US$0.21, updated 22 Oct 2026. Source currency: USD.
What does this price mean?
TCGPlayer is a US-market reference in USD. Cardmarket uses a Non-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 · 26 Sept 2026 – 23 Oct 2026
11 recorded price points. Change compares the first and last points shown.
View recorded prices as a table
| Date | Market price |
|---|---|
| 26 Sept 2026 | $0.45 |
| 29 Sept 2026 | $0.39 |
| 2 Oct 2026 | $0.32 |
| 5 Oct 2026 | $0.29 |
| 8 Oct 2026 | $0.26 |
| 15 Oct 2026 | $0.24 |
| 16 Oct 2026 | $0.24 |
| 17 Oct 2026 | $0.24 |
| 20 Oct 2026 | $0.21 |
| 21 Oct 2026 | $0.21 |
| 23 Oct 2026 | $0.21 |
Sales History
78 sold · all variants(30D)Sales recorded · 17 Sept 2026 – 16 Oct 2026. Sales are grouped into reporting periods; the final date is the latest available data.
Showing Normal - Near Mint - English
View recorded sales data
| Date | Units sold | Transactions | Market price | Details |
|---|---|---|---|---|
| 19/09/2026 | 0 | 0 | — | View sales |
| 22/09/2026 | 0 | 0 | — | View sales |
| 25/09/2026 | 2 | 1 | $0.45 | View sales |
| 28/09/2026 | 12 | 4 | $0.42 | View sales |
| 01/10/2026 | 11 | 6 | $0.34 | View sales |
| 04/10/2026 | 7 | 2 | $0.30 | View sales |
| 07/10/2026 | 10 | 4 | $0.27 | View sales |
| 10/10/2026 | 11 | 4 | $0.25 | View sales |
| 13/10/2026 | 12 | 5 | $0.24 | View sales |
| 16/10/2026 | 13 | 5 | $0.23 | View sales |
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.