Rotom

Rotom (49/135), the Uncommon from Plasma Storm, has an estimated ungraded market price of about $7–$10. Note: 19 other cards named Rotom exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Rotom (49/135), the Uncommon (about $7–$10) from Plasma Storm.

The other versions: #7/106 from Great Encounters (Rare Holo, about $36–$47); #20/90 from Undaunted (Rare, about $22–$29); #13/100 from Majestic Dawn (Rare Holo, about $15–$20); #SV038/122 from Shining Fates Shiny Vault (Shiny rare, about $4–$5); #197/182 from Destined Rivals (Illustration rare, about $4–$5); #24/124 from Fates Collide (Rare, about about $1); #40/131 from Forbidden Light (Rare, about under $1); #86/236 from Cosmic Eclipse (Uncommon, about under $1); #50/156 from Ultra Prism (Uncommon, about under $1); #82/147 from Supreme Victors (Uncommon, about under $1); #94/264 from Fusion Strike (Common, about under $1); #34/72 from Shining Fates (Uncommon, about under $1); #069/198 from Scarlet & Violet (Common, about under $1); #077/182 from Destined Rivals (Common, about under $1); #070/198 from Scarlet & Violet (Common, about under $1); #29/98 from Ancient Origins (Uncommon, about under $1); #061/191 from Surging Sparks (Common, about under $1); #053/195 from Silver Tempest (Common, about under $1); #092/217 from Ascended Heroes (Common, about under $1).

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