Overall: 1 1/2 x 4 3/8 x 1 7/8 in. ( 3.8 x 11.1 x 4.8 cm )
carved: near top on obverse: "P.M"
written: in pencil on reverse: "15.00"
Bovine bone fitted with wood carved in the form of carpenter's hand plane with a carved geometric motif, probably a mason's symbol, and two carved initials and a price written on back.
Due to ongoing research, information about this object is subject to change.