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PSA 10: 45-day PSA 10 sold-comp median
GemDelta shows Grass Energy (Base Set #99) at $26.72 market price (TCGplayer market). Its Delta multiple is 13.6x.
A PSA 10 Grass Energy (Base Set #99) is currently shown at $175. GemDelta labels this as a 45-day PSA 10 sold-comp median.
GemDelta records a 26.1% gem rate for Grass Energy (Base Set #99), with 541 PSA 10 copies out of 2,073 total PSA grades and a 13.6x Delta. That describes the grading profile; it is not financial advice.
| Date | Sale |
|---|---|
| Aug 4, 2026 | $175.02 |
| Jul 19, 2026 | $300.00 |
| Jul 13, 2026 | $230.59 |
| Jul 4, 2026 | $277.46 |
| Jun 22, 2026 | $380.00 |
| Jun 2, 2026 | $317.00 |
| May 18, 2026 | $212.52 |
| May 15, 2026 | $283.64 |
| May 2, 2026 | $308.34 |
| Apr 26, 2026 | $675.00 |
| Apr 22, 2026 | $331.00 |
| Apr 10, 2026 | $216.50 |
Showing the latest 12 of 17 stored PSA 10 comps.