A slab of Brooklyn wall that the artist Banksy emblazoned with a bandaged, heart-shaped balloon is emerging after more than a decade in storage.

“They’re literally going at it on the wall.” The preserved wall, dubbed “Battle to Survive a Broken Heart,” will be going up for sale May 21 at Guernsey’s, the New York auction house.

Banksy's Brooklyn art piece, 'Battle to Survive a Broken Heart,' is being auctioned and some proceeds will go to the American Heart Association.

Artwork up for auction The preserved wall, dubbed “Battle to Survive a Broken Heart,” will be going up for sale May 21 at Guernsey’s, the New York auction house.

Banksy's Brooklyn art piece, 'Battle to Survive a Broken Heart,' is being auctioned and some proceeds will go to the American Heart Association.

Artwork up for auction The preserved wall, dubbed “Battle to Survive a Broken Heart,” will be going up for sale May 21 at Guernsey’s, the New York auction house.

The preserved wall, dubbed “Battle to Survive a Broken Heart,” will be going up for sale May 21 at Guernsey’s, the New York auction house. Georgiadis, a Brooklyn schoolteacher, says the sale is ...

“They’re literally going at it on the wall.” The preserved wall, dubbed “Battle to Survive a Broken Heart,” will be going up for sale May 21 at Guernsey’s, the New York auction house.