Ralph Walter 2/27/18
Our source no longer sells these. Amazon has them but they seem quite precious. I don't believe we paid more than $0.25 each...
Jamie Hascall 2/27/18
Slightly different keyhole model, brass plated steel.
Bradley Sanders 2/27/18
Try McMaster Carr under "Keyhole Hangers". Many side hangers. This is the only similar piece.
Philip Brutz
2/28/18
Philip Brutz Mount Maker Exhibition Production The Cleveland Museum of Art 11150 East Boulevard Cleveland, Ohio 44106-1797
T 216-707-2617 F 216-707-6687