Gulpin

Gulpin (33/100), the Uncommon from Crystal Guardians, has an estimated ungraded market price of about $1.10. Note: 10 other cards named Gulpin exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Gulpin (33/100), the Uncommon (about $0.90–$1) from Crystal Guardians.

The other versions: #154/142 from Stellar Crown (Illustration rare, about $11–$16); #RC12/83 from Generations (Common, about $6–$8); #62/101 from Hidden Legends (Common, about $3–$4); #40/99 from Arceus (Uncommon, about $2–$3); #51/106 from Emerald (Common, about under $1); #57/168 from Celestial Storm (Common, about under $1); #66/99 from Arceus (Common, about under $1); #98/146 from Legends Awakened (Common, about under $1); #37/119 from Phantom Forces (Common, about under $1); #091/142 from Stellar Crown (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 18% PSA 10 gem rate and current graded prices, grading a near-mint Gulpin (33/100) 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.

Gulpin (33/100) is a Uncommon. PSA has graded 78 copies to date, so graded supply is measurable and growing.

Of the 78 copies PSA has graded, 18% 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.