Potion

Potion (100/114), the Common from Black & White, has an estimated ungraded market price of about under $1. Note: 22 other cards named Potion exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Potion (100/114), the Common (about under $1) from Black & White.

The other versions: #110/110 from Legendary Collection (Common, about $34–$44); #95/115 from Unseen Forces (Common, about $7–$9); #156/165 from Expedition Base Set (Common, about $6–$8); #101/112 from FireRed & LeafGreen (Common, about $5–$7); #91/109 from Ruby & Sapphire (Common, about $3–$4); #87/100 from Crystal Guardians (Common, about $2–$3); #101/113 from Delta Species (Common, about $1–$2); #118/130 from Diamond & Pearl (Common, about about $1); #127/132 from Secret Wonders (Common, about about $1); #83/108 from Evolutions (Uncommon, about under $1); #92/100 from Stormfront (Common, about under $1); #132/149 from Boundaries Crossed (Common, about under $1); #106/122 from BREAKpoint (Uncommon, about under $1); #139/159 from Crown Zenith (Common, about under $1); #127/149 from Sun & Moon (Uncommon, about under $1); #177/202 from Sword & Shield (Uncommon, about under $1); #94/102 from Base Set (Common, about under $1); #122/130 from Base Set 2 (Common, about under $1); #083/88 from Perfect Order (Common, about under $1); #61/73 from Champion's Path (Common, about under $1); #188/198 from Scarlet & Violet (Common, about under $1); #37/39 from Kalos Starter Set (None, about under $1).

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