Bone carved into hand plane
Overall: 1 3/8 x 2 x 4 1/2 in. ( 3.5 x 5.1 x 11.4 cm )
Bone carved in the form of a hand plane, with wood in hollowed center; initials "PM" at one end of obverse, Masonic compass and square symbol beneath.
Due to ongoing research, information about this object is subject to change.