Banksy street art hits the auction block

A piece of street art depicting a heart-shaped balloon covered in bandages, allegedly done by the street artist Banksy.
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A New York City art dealer is offering three works by the elusive British street artist Banksy at a Miami auction.

One work adorned the side of a Brooklyn building and another was originally on the side of an English pub.

Stephan Keszler says he purchased "Bandaged Heart" a week after Banksy completed it during his monthlong residency in New York City this fall. It's estimated to bring $400,000 to $600,000 at the Fine Art Auctions Miami on Tuesday night.

Banksy makes his mark on NYC

"Kissing Coppers," spray-painted in 2005 on the Prince Albert Pub in Brighton, England, is expected to sell for $500,000 to $700,000.

(Read more: Wealthy say no to stocks but yes to art)

Another work at the auction, also made during Banksy's New York residency, is "Crazy Horse Car Door." Its pre-sale estimate is $200,000 to $300,000.

—By the Associated Press