White marble on brown background with mahogany frame
Overall: 5 x 4 5/8 x 15/16 in. ( 12.7 x 11.7 x 2.4 cm )
Gift of Mrs. J. Insley Blair
signed: on back in ink: "Earl/Lauderdale/HENNING F1806; 302/Earl of Lauderdale/Henning/1806"
Due to ongoing research, information about this object is subject to change.