Poliwrath

Poliwrath (043/167), the Uncommon from Twilight Masquerade, has an estimated ungraded market price of about $0.15. Note: 18 other cards named Poliwrath exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Poliwrath (043/167), the Uncommon (about under $1) from Twilight Masquerade.

The other versions: #H24/144 from Skyridge (Holo Rare, about $440–$570); #24/165 from Expedition Base Set (Holo Rare, about $60–$85); #26/144 from Skyridge (Rare, about $50–$70); #11/115 from Unseen Forces (Rare, about $32–$42); #60/165 from Expedition Base Set (Rare, about $31–$40); #13/102 from Base Set (Rare, about $30–$40); #9/75 from Neo Discovery (Rare, about $30–$39); #11/112 from FireRed & LeafGreen (Rare, about $23–$31); #15/130 from Base Set 2 (Rare, about $16–$21); #28/75 from Neo Discovery (Rare, about $6–$8); #21/95 from Unleashed (Rare, about $4–$6); #25/108 from Evolutions (Rare, about $4–$5); #35/146 from Legends Awakened (Rare, about $2–$3); #17/111 from Furious Fists (Rare, about about $2); #32/149 from Sun & Moon (Rare, about under $1); #39/214 from Unbroken Bonds (Rare, about under $1); #085/196 from Lost Origin (Rare, about under $1); #062/165 from 151 (Uncommon, about under $1).

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