Grade Matrix
PSA 10: Median of 5 sales, last 45 days · newest Oct 22, 2026 · checked Oct 25, 2026
PSA 9: Median of 5 PSA 9 sales in the last 90 days, latest 2026-10-21. Grade 9 guide (all graders): $129.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
Availability
TCGplayer Price History
Card Value FAQ
How much is Blaine's Ninetales (Gym Challenge #21) worth?
GemDelta shows Blaine's Ninetales (Gym Challenge #21) at $51.11 market price (TCGplayer market). Its Delta multiple is 17.6x.
How much is a PSA 10 Blaine's Ninetales (Gym Challenge #21) worth?
A PSA 10 Blaine's Ninetales (Gym Challenge #21) is currently shown at $900, the median of 5 PSA 10 sales in the last 45 days (newest Oct 22, 2026).
Is Blaine's Ninetales (Gym Challenge #21) worth grading?
GemDelta records a 20.1% gem rate for Blaine's Ninetales (Gym Challenge #21), with 113 PSA 10 copies out of 562 total PSA grades and a 17.6x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Oct 22, 2026 | PSA 10 Blaine's Ninetales #21 1st Ed 2000 Pokemon Gym Challenge 158799675 #21 | $899.99 |
| Oct 19, 2026 | 2000 Pokemon Gym Challenge Blaine's Ninetales 21/132 1st Edition PSA 10 21/132 | $900.00 |
| Oct 9, 2026 | Pokemon Blaine's Ninetales Gym Challenge 1st Edition #21 PSA 10 Gem Mint | $1500.00 |
| Oct 7, 2026 | 2000 POKEMON GYM CHALLENGE 1ST EDITION #21 BLAINE'S NINETALES PSA 10 #21 | $899.99 |
| Sep 25, 2026 | POKEMON BLAINE'S NINETALES 2000 GYM CHALLENGE #21 1ST EDITION PSA 10 21/132 | $810.00 |
| Aug 31, 2026 | 2000 Pokemon Gym Challenge 1ST EDITION #21 BLAINE'S NINETALES PSA 10 GEM MINT | $499.76 |
| Jul 10, 2026 | 2000 Pokemon Gym Challenge 1st Edition #21 Blaine's Ninetales PSA 10 GEM MINT #21 | $712.00 |
| May 8, 2026 | BLAINE'S NINETALES 21/132 1ST EDITION GYM CHALLENGE POKEMON PSA 10 21/132 | $465.00 |