Nidoqueen

Nidoqueen (H21/144), the Holo Rare from Skyridge, has an estimated ungraded market price of about $213, typically in the $185–$240 range. Note: 14 other cards named Nidoqueen exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Nidoqueen (H21/144), the Holo Rare (about $185–$240) from Skyridge.

The other versions: #7/64 from Jungle (Rare, about $37–$49); #9/112 from FireRed & LeafGreen (Rare, about $31–$40); #12/130 from Base Set 2 (Rare, about $27–$35); #22/144 from Skyridge (Rare, about $26–$34); #32/110 from Legendary Collection (Rare, about $10–$13); #23/64 from Jungle (Rare, about $8–$11); #30/111 from Rising Rivals (Rare, about $3–$5); #69/160 from Primal Clash (Rare, about $3–$4); #28/102 from Triumphant (Rare, about $2–$3); #42/116 from Plasma Freeze (Rare, about $1–$2); #31/123 from Mysterious Treasures (Rare, about $1–$2); #56/181 from Team Up (Rare, about under $1); #68/160 from Primal Clash (Uncommon, about under $1); #031/165 from 151 (Uncommon, 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 23% PSA 10 gem rate and current graded prices, grading a near-mint Nidoqueen (H21/144) is estimated to net about $753 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.

Nidoqueen (H21/144) is a Holo Rare. PSA has graded 707 copies to date, so graded supply is measurable and growing.

Of the 707 copies PSA has graded, 23% 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.