Gastly
MEGA Starter Set Mega Gengar ex · #1/21 · None · 2025JPN
All 87 Gastly cards ranked by value →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.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-19
Population data from PriceCharting, updated monthly.
More Gastly cards all 87 ranked by value →
GastlySkyridge · 2003
GastlyLegendary Collection · 2002
GastlyTemporal Forces · 2024
GastlyLegend Maker · 2006
GastlyFireRed & LeafGreen · 2004
GastlyExpedition Base Set · 2002How much is Gastly #1/21 worth?
As of September 26, 2026, Gastly #1/21 from MEGA Starter Set Mega Gengar ex sells for around $0.53 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $39.99, roughly 75.5x the raw price, while a PSA 9 sits near $11.79. 16 copies have been graded to date, and 81% 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.
