The original cowl, cape and body of the suit were all worn in the film, according to the website of Los Angeles-based Nate D. Sanders Auctions. Some parts, like the gloves, belt, insignia and shoes are replicas.
The 6-foot-5-inch suit comes displayed on a mannequin of Keaton's likeness, the website says, the perfect memorabilia for a true super hero buff. The auction concluded Thursday.
Although $41,250 isn't exactly pocket change, it is a bargain when compared to the Batsuit that Christian Bale wore for "The Dark Knight," which sold at auction for $250,000 late last year, according to Bloomberg.