Tandemaus

Tandemaus (209/91), the Shiny rare from Paldean Fates, has an estimated ungraded market price of about $29, typically in the $25–$33 range. Note: 8 other cards named Tandemaus exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Tandemaus (209/91), the Shiny rare (about $25–$33) from Paldean Fates.

The other versions: #167/193 from Paldea Evolved (Common, about under $1); #157/191 from Surging Sparks (Common, about under $1); #159/198 from Scarlet & Violet (Common, about under $1); #166/193 from Paldea Evolved (Common, about under $1); #153/182 from Paradox Rift (Common, about under $1); #154/182 from Paradox Rift (Common, about under $1); #160/198 from Scarlet & Violet (Common, about under $1); #073/91 from Paldean Fates (Common, about under $1).

The collector number printed at the bottom of the card is the reliable way to tell them apart.

Ahead after fees: with a 51% PSA 10 gem rate and current graded prices, grading a near-mint Tandemaus (209/91) is estimated to net about $157 more than selling it raw (est.).

Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.

Tandemaus (209/91) is a Shiny rare. PSA has graded 189 copies to date, so graded supply is measurable and growing.

Of the 189 copies PSA has graded, 51% earned a PSA 10. That's a fairly typical gem rate for a modern card. Grade-by-grade population and pop-over-time appear with Riffle premium.