Mystery Zone
Skyridge · #137/144 · Uncommon · 2003
Printings & price history
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Graded values
updated 2026-07-26Grades 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 2026-07-07
Population data from PriceCharting, updated monthly.
How much is Mystery Zone #137/144 worth?
Right now (July 27, 2026) the going rate for an ungraded Mystery Zone #137/144 from Skyridge is about $8.26. Across the 2 printings we track, copies run anywhere from $6.00 to $209.90 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $76.75, roughly 9.3x the raw price, while a PSA 9 sits near $19.50. 88 copies have been graded to date, and 10% 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.
