Grade Matrix
PSA 10: PriceCharting · last PSA 10 sale $359.00 on Jul 4, 2026 · checked Oct 26, 2026
PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-10-11. Grade 9 guide (all graders): $30.
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 Forest Guardian (Aquapolis #123) worth?
GemDelta shows Forest Guardian (Aquapolis #123) at $1.19 market price (TCGplayer market). Its Delta multiple is 302x.
How much is a PSA 10 Forest Guardian (Aquapolis #123) worth?
A PSA 10 Forest Guardian (Aquapolis #123) is currently shown at $359. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
Is Forest Guardian (Aquapolis #123) worth grading?
GemDelta records a 28.4% gem rate for Forest Guardian (Aquapolis #123), with 19 PSA 10 copies out of 67 total PSA grades and a 302x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Jul 4, 2026 | PSA 10 Forest Guardian #123 LOW POP 19 👀 Aquapolis w/ GUARD Pokemon TCG ENGLISH 123/147 | $359.00 |
| Jun 11, 2026 | PSA 10 Forest Guardian Trainer 123/147 Aquapolis Pokemon 2003 123/147 | $399.95 |