Rotom

Rotom (20/90), the Rare from Undaunted, has an estimated ungraded market price of about $11, typically in the $9–$12 range. Note: 19 other cards named Rotom exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Rotom (20/90), the Rare (about $9–$12) from Undaunted.

The other versions: #7/106 from Great Encounters (Rare Holo, about $42–$55); #13/100 from Majestic Dawn (Rare Holo, about $18–$24); #197/182 from Destined Rivals (Illustration rare, about $4–$5); #SV038/122 from Shining Fates Shiny Vault (Shiny rare, about $3–$5); #82/147 from Supreme Victors (Uncommon, about $1–$2); #24/124 from Fates Collide (Rare, about under $1); #40/131 from Forbidden Light (Rare, about under $1); #49/135 from Plasma Storm (Uncommon, about under $1); #86/236 from Cosmic Eclipse (Uncommon, about under $1); #34/72 from Shining Fates (Uncommon, about under $1); #092/217 from Ascended Heroes (Common, about under $1); #069/198 from Scarlet & Violet (Common, about under $1); #50/156 from Ultra Prism (Uncommon, about under $1); #077/182 from Destined Rivals (Common, about under $1); #053/195 from Silver Tempest (Common, about under $1); #070/198 from Scarlet & Violet (Common, about under $1); #061/191 from Surging Sparks (Common, about under $1); #29/98 from Ancient Origins (Uncommon, about under $1); #94/264 from Fusion Strike (Common, about under $1).

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

Rotom (20/90) is a Rare. PSA has graded 13 copies to date, so graded supply is measurable and growing.