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PSA 10: Median of 2 sales, last 45 days · newest Oct 21, 2026 · checked Oct 27, 2026
PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-10-22. Grade 9 guide (all graders): $256.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Psyduck (Promo #20) at $78.33 market price (TCGplayer market). Its Delta multiple is 14.7x.
A PSA 10 Psyduck (Promo #20) is currently shown at $1,152, the median of 2 PSA 10 sales in the last 45 days (newest Oct 21, 2026).
GemDelta records a 35.7% gem rate for Psyduck (Promo #20), with 1,240 PSA 10 copies out of 3,473 total PSA grades and a 14.7x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 21, 2026 | PSYDUCK 2000 POKEMON BLACK STAR WOTC PROMO #20 GRADED PSA 10 GEM MINT | $1295.00 |
| Sep 27, 2026 | Psyduck Pokemon Promo Black Star 20 NM PSA 10 #20 | $1009.00 |
| Aug 15, 2026 | 1999 Pokemon Wizards Black Star Promos Psyduck #20 PSA 10 GEM MINT | $780.00 |
| Jul 3, 2026 | PSYDUCK - BLACK STAR PROMO - RARE VINTAGE POKEMON CARD [PSA 10] GEM MINT WOTC | $768.00 |
| Jun 23, 2026 | PSA 10 - Psyduck #20 Black Star Promo Pokemon WOTC Vintage 2000 Himeno Gem Mint #20 | $837.38 |