Overall: 7/8 x 7/8 x 1/8 in. ( 2.2 x 2.2 x 0.3 cm )
Octagonal red wax wafer with rectangular seal impression; paper backing.
Found in a box labeled "SEALS in box W/J. BROOKS COOPER NY" with a collection of similar objects.
Due to ongoing research, information about this object is subject to change.