Oddish

Oddish (64/115), the Common from Unseen Forces, has an estimated ungraded market price of about $50–$70. Note: 21 other cards named Oddish exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Oddish (64/115), the Common (about $50–$70) from Unseen Forces.

The other versions: #97/147 from Aquapolis (Common, about $75–$105); #68/101 from Hidden Legends (Common, about $31–$40); #122/165 from Expedition Base Set (Common, about $24–$32); #112/146 from Legends Awakened (Common, about $16–$22); #092/91 from Paldean Fates (Shiny rare, about $12–$16); #1/149 from Boundaries Crossed (Common, about $8–$10); #6/214 from Unbroken Bonds (Common, about $6–$8); #60/90 from Undaunted (Common, about $6–$8); #58/64 from Jungle (Common, about $4–$5); #63/82 from Team Rocket (Common, about $3–$5); #111/146 from Legends Awakened (Common, about $3–$4); #68/111 from Neo Genesis (Common, about $2–$3); #2/236 from Cosmic Eclipse (Common, about $1–$2); #5/214 from Unbroken Bonds (Common, about under $1); #1/98 from Ancient Origins (Common, about under $1); #001/159 from Crown Zenith (Common, about under $1); #4/147 from Burning Shadows (Common, about under $1); #043/165 from 151 (Common, about under $1); #001/94 from Phantasmal Flames (Common, about under $1); #001/196 from Lost Origin (Common, about under $1); #001/197 from Obsidian Flames (Common, about under $1).

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