Wooper

Wooper (25/70), the Common from Dragon Majesty, has an estimated ungraded market price of about $12–$16. Note: 13 other cards named Wooper exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Wooper (25/70), the Common (about $12–$16) from Dragon Majesty.

The other versions: #66/147 from Aquapolis (Uncommon, about $220–$280); #79/115 from Unseen Forces (Common, about $44–$60); #117/147 from Aquapolis (Common, about $42–$55); #88/123 from HeartGold SoulSilver (Common, about $32–$42); #21/116 from Plasma Freeze (Common, about $19–$26); #118/132 from Secret Wonders (Common, about $19–$25); #71/75 from Neo Discovery (Common, about $14–$20); #82/111 from Neo Genesis (Common, about $8–$11); #81/109 from Team Rocket Returns (Common, about $4–$6); #38/98 from Ancient Origins (Common, about $2–$3); #96/214 from Unbroken Bonds (Common, about $1–$2); #83/185 from Vivid Voltage (Common, about under $1); #SV9/94 from Hidden Fates Shiny Vault (Shiny rare).

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