Retro Energy
Mysterious Mountains · #88/88 · Uncommon · 2002JPN
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
Ungraded chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
1st EditionPopulation data from PriceCharting, updated monthly.
How much is Retro Energy #88/88 worth?
As of October 18, 2026, Retro Energy #88/88 from Mysterious Mountains sells for around $10.00 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $9.00 to $10.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $103.23, roughly 10.3x the raw price, while a PSA 9 sits near $45.67. 19 copies have been graded to date, and 37% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
