Groudon Star
Holon Research Tower · #56/86 · Shiny Rare · 2005JPN
All 93 Groudon 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 2026-08-03
Population data from PriceCharting, updated monthly.
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As of August 22, 2026, Groudon Star #56/86 from Holon Research Tower sells for around $456.31 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $13,000.00, roughly 28.5x the raw price, while a PSA 9 sits near $2,795.00. 125 copies have been graded to date, and 26% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Groudon Star has moved over time.