Grade Matrix
PSA
PSA 6
$18
PSA 7
$32
PSA 8
$51
PSA 9
$43
PSA 10
$61
PSA 10: PriceCharting; last PSA 10 sale Jul 26, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$41
CGC P10
-
Availability
Availabilityi
7/10G: —
Graded: insufficient data · Sales per year: ~108 sales/yr · Recent sales: 1 PSA 10 comp
TCGplayer Price History
NormalProduct 42443Fetched Sep 5, 3:30 AM
TCGplayer market
$0.47
Latest avg sale
$0.40
Units sold
7,425
Card Value FAQ
How much is Grass Energy (Base Set #99) worth?
GemDelta shows Grass Energy (Base Set #99) at $0.52 market price (TCGplayer market). Its Delta multiple is 37.9x.
How much is a PSA 10 Grass Energy (Base Set #99) worth?
A PSA 10 Grass Energy (Base Set #99) is currently shown at $61.00. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
PSA 10 Recent sales
| Date | Sale |
|---|---|
| Jul 26, 2026 | $61.00 |