Chansey

Chansey (70/108), the Rare from Evolutions, has an estimated ungraded market price of about $3–$4. Note: 22 other cards named Chansey exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Chansey (70/108), the Rare (about $3–$4) from Evolutions.

The other versions: #3/102 from Base Set (Rare, about $55–$75); #20/115 from Unseen Forces (Rare, about $50–$65); #187/167 from Twilight Masquerade (Illustration rare, about $50–$65); #31/105 from Neo Destiny (Uncommon, about $42–$55); #69/147 from Aquapolis (Common, about $41–$55); #72/165 from Expedition Base Set (Uncommon, about $35–$46); #3/130 from Base Set 2 (Rare, about $19–$25); #58/123 from HeartGold SoulSilver (Common, about $16–$21); #152/214 from Lost Thunder (Common, about $11–$15); #19/112 from FireRed & LeafGreen (Rare, about $9–$12); #76/123 from Mysterious Treasures (Common, about $7–$10); #69/127 from Platinum (Common, about $5–$7); #80/108 from Dark Explorers (Common, about $4–$6); #113/165 from 151 (Rare, about $1–$2); #46/68 from Hidden Fates (Uncommon, about $1–$2); #81/108 from Dark Explorers (Common, about $0.80–$1); #80/119 from Phantom Forces (Common, about under $1); #101/145 from Guardians Rising (Common, about under $1); #051/78 from Pokémon GO (Uncommon, about under $1); #133/167 from Twilight Masquerade (Common, about under $1); #202/264 from Fusion Strike (Common, about under $1); #144/198 from Scarlet & Violet (Common, about under $1).

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