CURRENT PRICES BY TIER
PSA 10
$95
▼ 26.9% all-time
PSA 9
$40
▲ 62.0% all-time
Raw
$1
▼ 34.0% all-time
Sealed
$14
▼ 42.7% all-time
PSA 10 / PSA 9 (avg.) / Raw ungraded near-mint / Sealed product. Live snapshot from verified sold listings across major marketplaces.
Base Set#99PSA 10 Gem Mint
Grass Energy Base Set Unlimited PSA 10 Price History
Live PSA 10 Gem Mint price tracking for the 1999 Pokemon Base Set Grass Energy (#99). Data sourced from eBay, Goldin, and Fanatics Collect via the price guide.
Current PSA 10 Market Avg
$84
+69.8% over the last 12 monthsCompare Grass Energy Variants
★ Viewing
Unlimited
Grass Energy was printed across multiple Base Set variants. Click any variant above to view its price history.
All-Time High
$130
Jan 2021
All-Time Low
$27
Jan 2024
Since Jan 2021
-35.1%
total return
Avg Monthly Price
$56
65 months tracked
Recent Sales Avg
$59
28 listings tracked
Recent Sales Range
$9–$120
low to high
PSA 10 Monthly Price History
Monthly average PSA 10 Gem Mint price for the 1999 Pokemon Base Set Grass Energy (#99). Data covers Jan 2021 – May 2026.
Recent Gem Mint Sales
| Date Sold | Price | Grade | Source | Listing |
|---|---|---|---|---|
| 2026-04-28 | $95 | PSA 10 | eBay | 1999 Pokemon Base Set Unlimited #99 Grass Energy Gem Mt PSA 10 #99 |
| 2026-03-24 | $51 | CGC 10 | eBay | 1996 Pokemon Base Set Grass Energy CGC 10 English 99/102 |
| 2026-02-24 | $99 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #99 GRASS ENERGY PSA 10 #99 |
| 2026-01-31 | $120 | PSA 10 | eBay | 1999 POKEMON GAME #99 GRASS ENERGY PSA 10 GEM MINT BASE SET UNLIMITED #102 |
| 2026-01-17 | $60 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #99 GRASS ENERGY PSA 10 #99 |
| 2026-01-15 | $75 | PSA 10 | eBay | 1999 POKEMON GAME #99 GRASS ENERGY PSA 10 GEM MINT BASE SET UNLIMITED #102 |
| 2026-01-09 | $75 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #99 GRASS ENERGY PSA 10 #99 |
| 2025-12-31 | $75 | PSA 10 | eBay | 1999 POKEMON GAME #99 GRASS ENERGY PSA 10 GEM MINT BASE SET UNLIMITED #102 |
| 2025-12-30 | $36 | PSA 10 | eBay | 1999 Pokemon Grass Energy Base Set PSA 10 GEM MINT💎 #99 |
| 2025-12-13 | $60 | PSA 10 | eBay | 1999 Pokemon TCG Grass Energy #99 Base Set PSA 10 Gem Mint #99 |
| 2025-11-28 | $82 | PSA 10 | eBay | GRASS ENERGY #99 PSA 10 1999 POKEMON Base Set Unlimited WOTC #99 |
| 2025-11-22 | $75 | PSA 10 | eBay | 1999 POKEMON GAME #99 GRASS ENERGY PSA 10 GEM MINT BASE SET UNLIMITED #102 |
| 2025-11-11 | $45 | CGC 10 | eBay | Grass Energy Pokemon Base Set 99/102 1999 CGC 10 Gem Mint |
| 2025-10-01 | $75 | PSA 10 | eBay | Pokemon Grass Energy Base Set Unlimited #99 PSA 10 Gem Mint |
| 2025-09-25 | $60 | PSA 10 | eBay | 1999 POKEMON #99 GRASS ENERGY BASE SET UNLIMITED GEM MINT PSA 10 #99 |
| 2025-09-25 | $99 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-07-22 | $35 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-07-22 | $32 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-07-20 | $26 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-06-23 | $40 | PSA 10 | eBay | Pokémon TCG Basic Grass Energy 1999 Base Set PSA 10 099/102 |
| 2025-06-23 | $50 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-06-06 | $31 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-06-02 | $50 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-06-02 | $43 | PSA 10 | eBay | #99/102 Grass Energy – 1999 Pokemon Game Base Set WOTC – Fresh Grade PSA 10 💎 #99 |
| 2025-06-01 | $54 | PSA 10 | eBay | Pokemon Cards – PSA 10 Grass Energy 99/102 – Base Set Unlimited – GEM MT – PSA10 |
| 2025-06-01 | $9 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-05-15 | $50 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-04-25 | $41 | PSA 10 | eBay | 1999 POKEMON GAME GRASS ENERGY #99 PSA 10 GEM MINT BASE SET 99/102 |
| 2025-04-11 | $66 | PSA 10 | eBay | GRASS ENERGY – 99/102 POKEMON CARD 1999 BASE SET – PSA 10 GEM MINT 💎 99/102 |
| 2025-03-15 | $46 | PSA 10 | eBay | 1999 POKEMON BASE SET UNLIMITED #99 GRASS ENERGY PSA 10 #99 |
30 verified gem-mint sales (PSA 10, CGC 10, BGS 10, and other 10-grade equivalents). PSA 10 carries the highest premium; CGC 10 and BGS 10 typically trade at a slight discount. Prices exclude shipping.
About Grass Energy (Base Set Unlimited)
Energy from the original Base Set. Grass Energy (#99).
The Unlimited print is the most common Base Set variant. Drop-shadow border on the right and bottom edges of the artwork, no edition stamp.
How to identify a Unlimited Grass Energy:
- Drop-shadow visible on the right and bottom edge of the artwork box
- No “Edition 1” stamp on the lower-left
- WotC copyright at the bottom
- 1999 copyright date
Related Pages
FAQ
- How much is a PSA 10 Grass Energy Base Set Unlimited worth?
- As of May 2026, the monthly average sold price is $84. Individual sales over the last several months ranged from $9 to $120. Prices are volatile — check the chart above for the latest trajectory.
- How do I tell if my Grass Energy is a Unlimited?
- Look for the markers listed in the identification section above. The key distinguishing features for the Unlimited variant are: drop-shadow visible on the right and bottom edge of the artwork box, no “edition 1” stamp on the lower-left.
- Where does this price data come from?
- All chart data and recent sales are sourced from price guide sites, which aggregates verified sold listings from eBay, TCGPlayer, Goldin, and Fanatics Collect. Last refreshed 2026-05-25.
Price data sourced from the price guide. Last updated 2026-05-25. This page is informational only and is not investment advice. Card image courtesy of the Pokemon TCG API.