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PSA 10: Median of 3 sales, last 45 days · newest Oct 17, 2026 · checked Oct 27, 2026
PSA 9: Median of 3 PSA 9 sales in the last 90 days, latest 2026-10-12. Grade 9 guide (all graders): $45.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
A PSA 10 Grass Energy (Base Set #99) is currently shown at $129, the median of 3 PSA 10 sales in the last 45 days (newest Oct 17, 2026).
| Date | Listing | Sale |
|---|---|---|
| Oct 17, 2026 | 1999 Pokemon Base Set Grass Energy 99/102 PSA 10 099/102 | $82.00 |
| Oct 6, 2026 | Grass Energy (PSA GEM MINT 10) - Unlimited - Pokemon Base Set 1999 #99/102 099/102 | $130.00 |
| Sep 19, 2026 | PSA 10 GEM MINT Pokemon Grass Energy Base Set 99/102 | $128.87 |
| Jul 17, 2026 | 1999 POKEMON BASE SET UNLIMITED #99 GRASS ENERGY PSA 10 #99 | $120.99 |
| Jun 27, 2026 | Pokemon 1999 Base Set Grass Energy 99/102 PSA 10 Common Regular Wizards 99/102 | $99.99 |
| Jun 21, 2026 | Pokemon Grass Energy Base Set Unlimited #99 PSA 10 Gem Mint | $102.50 |
| Jun 9, 2026 | Pokemon Grass Energy Base Set EN 099/102 Common Regular Basic PSA 10 (1999) 099/102 | $162.70 |
| Jun 7, 2026 | Pokemon Grass Energy Base Set Unlimited #99 PSA 10 Gem Mint | $61.02 |