Tandemaus
Shiny Treasure ex · #317/190 · Shiny Rare · 2023JPN
All 23 Tandemaus 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 2026-09-17
Population data from PriceCharting, updated monthly.
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TandemausClay Burst · 2023How much is Tandemaus #317/190 worth?
Tandemaus #317/190 is a Shiny Rare Japanese card from Shiny Treasure ex (2023) — today it trades at roughly $15.12 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $56.55, roughly 3.7x the raw price, while a PSA 9 sits near $19.25. 424 copies have been graded to date, and 76% 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 Tandemaus has moved over time.
