Bulbasaur

Bulbasaur (39/95), the Common from Team Magma vs Team Aqua, has an estimated ungraded market price of about $24, typically in the $21–$27 range. Note: 19 other cards named Bulbasaur exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Bulbasaur (39/95), the Common (about $21–$27) from Team Magma vs Team Aqua.

The other versions: #143/142 from Stellar Crown (Illustration rare, about $90–$120); #166/165 from 151 (Illustration rare, about $70–$95); #95/165 from Expedition Base Set (Common, about $55–$80); #94/165 from Expedition Base Set (Common, about $37–$49); #133/132 from Mega Evolution (Illustration rare, about $18–$24); #54/112 from FireRed & LeafGreen (Common, about $14–$19); #45/100 from Crystal Guardians (Common, about $10–$14); #1/108 from Dark Explorers (Common, about $8–$11); #68/110 from Legendary Collection (Common, about $6–$9); #77/132 from Secret Wonders (Common, about $6–$8); #55/112 from FireRed & LeafGreen (Common, about $5–$7); #67/130 from Base Set 2 (Common, about $4–$6); #46/100 from Crystal Guardians (Common, about $4–$5); #93/147 from Supreme Victors (Common, about $4–$5); #44/102 from Base Set (Common, about $3–$4); #1/73 from Shining Legends (Common, about under $1); #001/78 from Pokémon GO (Common, about under $1); #001/132 from Mega Evolution (Common, about under $1); #001/165 from 151 (Common, about under $1).

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