Bisharp

Bisharp (135/236), the Uncommon from Cosmic Eclipse, has an estimated ungraded market price of about under $1. Note: 20 other cards named Bisharp exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Bisharp (135/236), the Uncommon (about under $1) from Cosmic Eclipse.

The other versions: #143/86 from Black Bolt (Illustration rare, about $10–$14); #79/108 from Dark Explorers (Rare, about $5–$7); #73/116 from Plasma Freeze (Rare, about $4–$6); #74/116 from Plasma Freeze (Uncommon, about $3–$5); #76/101 from Noble Victories (Uncommon, about $3–$5); #186/91 from Paldean Fates (Shiny rare, about $2–$4); #82/101 from Noble Victories (Rare, about $2–$3); #72/108 from Dark Explorers (Rare, about about $2); #64/114 from Steam Siege (Rare, about $1–$2); #105/181 from Team Up (Rare, about under $1); #82/146 from XY (Rare, about under $1); #20/39 from Kalos Starter Set (None, about under $1); #134/202 from Sword & Shield (Uncommon, about under $1); #093/159 from Crown Zenith (Uncommon, about under $1); #116/189 from Astral Radiance (Uncommon, about under $1); #149/197 from Obsidian Flames (Common, about under $1); #065/86 from Black Bolt (Uncommon, about under $1); #104/163 from Battle Styles (Uncommon, about under $1); #133/198 from Scarlet & Violet (Common, about under $1); #147/217 from Ascended Heroes (Common, about under $1).

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