Iron Boulder
Terastal Fest ex · #77/187 · Common · 2024JPN
All 20 Iron Boulder cards ranked by value →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.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-20
Population data from PriceCharting, updated monthly.
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Iron BoulderTerastal Fest ex · 2024How much is Iron Boulder #77/187 worth?
Right now (September 29, 2026) the going rate for an ungraded Iron Boulder #77/187 from Terastal Fest ex is about $0.34. Across the 2 printings we track, copies run anywhere from $0.25 to $3.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $15.00, roughly 44.1x the raw price, while a PSA 9 sits near $12.88. 1 copies have been graded to date, and 100% 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 Iron Boulder has moved over time.
