Grade Matrix
Graded
PSA 6
-
Grade 7 guide
-
Grade 8 guide
$8
Grade 9 guide
$20
PSA 10
$40
PSA 10: Last PSA 10 sale $39.99 on Apr 14, 2023 · checked Oct 25, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$12
CGC P10
-
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~117 sales/yr · Raw recent sales: 60 · Grade 9 recent sales: 2 · PSA 10 recent sales: 1 · Graded copies: 20
TCGplayer Price History
NormalProduct 88790
No Normal price series for this product. Available: 1st Edition, Unlimited.
Card Value FAQ
How much is a PSA 10 Rocket's Secret Experiment (Gym Challenge #120) worth?
A PSA 10 Rocket's Secret Experiment (Gym Challenge #120) is currently shown at $39.99. GemDelta labels this as the latest stored PSA 10 sale, which is older than the sales window; no sales were found inside that window.
PSA 10 past sales
| Date | Listing | Sale |
|---|---|---|
| Apr 14, 2023 | 2000 Pokemon Gym Challenge Rocket’s Secret Experiment #120 - PSA 10 GEM MINT | $39.99 |