This curious reproduction is made in two pieces: a 1 3/4" × 3" mounting plate and a 4" hook with a height of 3 1/2". The hook engages the mounting plate, using a sliding tapered dovetail.
While there may not be much additional utility in having a removable hook, the design did allow all faces of the piece to be detailed.
Lost-wax cast steel with a matte black finish and linished detail. Mounts with two #8 screws (not included).