The longsword was seen throughout the 1995 flick based on the 13th-century freedom fighter's life.
It is being sold at Propstore's Entertainment Memorabilia Live Auction in Hollywood on March 26.
In its description of the sword, Propstore says: "William Wallace's (Mel Gibson) stunt Scottish claymore sword with truncated blade from Gibson’s Braveheart. Scotsman Wallace wielded his signature longsword during numerous battles against the English.
“This sword, a stunt version, features the bottom half of a urethane blade painted silver and set into a distinctive cruciform crossguard with a matching scalloped pommel and leather-wrapped grip.
“Overspray and weathering applied to the b...