Slowpoke

Slowpoke (80/112), the Common from FireRed & LeafGreen, has an estimated ungraded market price of about $20, typically in the $17–$23 range. Note: 29 other cards named Slowpoke exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Slowpoke (80/112), the Common (about $17–$23) from FireRed & LeafGreen.

The other versions: #204/198 from Scarlet & Violet (Illustration rare, about $33–$44); #108/147 from Aquapolis (Common, about $27–$35); #66/90 from Undaunted (Common, about $22–$30); #116/91 from Paldean Fates (Shiny rare, about $17–$23); #45/95 from Team Magma vs Team Aqua (Common, about $12–$16); #23/108 from Dark Explorers (Common, about $8–$11); #76/109 from Team Rocket Returns (Common, about $8–$10); #82/106 from Great Encounters (Common, about $7–$10); #73/111 from Neo Genesis (Common, about $7–$9); #81/123 from HeartGold SoulSilver (Common, about $4–$6); #83/113 from Delta Species (Common, about $3–$5); #54/214 from Lost Thunder (Common, about $3–$5); #057/142 from Stellar Crown (Common, about $3–$4); #72/115 from Unseen Forces (Common, about $2–$4); #93/110 from Legendary Collection (Common, about $1–$2); #67/82 from Team Rocket (Common, about $1–$2); #70/95 from Call of Legends (Common, about $0.70–$1); #55/62 from Fossil (Common, about $0.70–$1); #32/83 from Generations (Common, about under $1); #19/122 from BREAKpoint (Common, about under $1); #42/214 from Unbroken Bonds (Common, about under $1); #48/145 from Guardians Rising (Common, about under $1); #079/165 from 151 (Common, about under $1); #019/78 from Pokémon GO (Common, about under $1); #085/193 from Paldea Evolved (Common, about under $1); #029/84 from Pitch Black (Common, about under $1); #12/68 from Hidden Fates (Common, about under $1); #042/198 from Scarlet & Violet (Common, about under $1); #018/131 from Prismatic Evolutions (Common, about under $1).

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