Very nice pair of vintage nickel-plated steel shelf brackets. They have a nice decorative half circle pattern. They are in a nice nickel finish with minor scuffs, scratches and black tape residue. They are complete without any breaks.  They are unmarked, the manufacturer is Unknown. They are sturdy brackets and can be used for a shelf or add style to an existing mantel.   Overall, there in very good condition. Please look over the pictures and ask questions when needed. Thanks for looking. 
Measures approx.: 8 3/4" tall x 7" depth x 1 3/4" wide at wall mounts x 1 1/4" wide top mounts