Tandemaus

Shiny Treasure ex · #317/190 · Shiny Rare · 2023JPN

$15.41

Market price ▲ 1.0% (1Y)

Prices as of Jul 27, 2026

521graded pop

79%gem rate

3.7×PSA 10 vs raw

-17%off ATH $11.91 · Jun 2026

+$8.29EV to grade — marginal

Price history

Holofoil▲ 0.5% 7d$15.41

Low $13.41Mid $15.99High $19.99

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Graded values

updated 2026-07-27

Grade 6 est.$9.37

Grade 5 est.$7.89

Grade 4 est.$6.51

Grade 3 est.$5.42

Grade 2 est.$4.44

Grade 1 est.$3.75

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$56.47

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-07

CGC411 graded · 317 gem 10

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PSA110 graded · 93 gem 10

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Population data from PriceCharting, updated monthly.

How 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 $15.41 ungraded.

Grading changes the math on this one: a PSA 10 is valued around $56.47, roughly 3.7x the raw price, while a PSA 9 sits near $20.00. 411 copies have been graded to date, and 77% 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.