Tentacool

Tentacool (66/92), the Common from Legend Maker, has an estimated ungraded market price of about $0.40. Note: 13 other cards named Tentacool exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Tentacool (66/92), the Common (about under $1) from Legend Maker.

The other versions: #113/147 from Aquapolis (Common, about $3–$4); #71/160 from Primal Clash (Uncommon, about $2–$3); #96/110 from Legendary Collection (Common, about under $1); #80/102 from Triumphant (Common, about under $1); #125/146 from Legends Awakened (Common, about under $1); #56/62 from Fossil (Common, about under $1); #77/101 from Hidden Legends (Common, about under $1); #70/160 from Primal Clash (Common, about under $1); #072/165 from 151 (Common, about under $1); #60/181 from Team Up (Common, about under $1); #23/145 from Guardians Rising (Common, about under $1); #26/203 from Evolving Skies (Common, about under $1); #40/214 from Unbroken Bonds (Common, about under $1).

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

It's roughly a wash: with a 22% PSA 10 gem rate and current graded prices, grading a near-mint Tentacool (66/92) is estimated to come out within about $10 of selling it raw (est.); grade for protection or display, not profit.

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

Tentacool (66/92) is a Common. PSA has graded 132 copies to date, so graded supply is measurable and growing.

Of the 132 copies PSA has graded, 22% earned a PSA 10. That's a low gem rate, so flawless copies are genuinely hard to come by. Grade-by-grade population and pop-over-time appear with Riffle premium.