Overall: 7 x 5 x 1/8 in. ( 17.8 x 12.7 x 0.3 cm )
intaglio (inverted): on obverse: "MARY DELL / WIFE OF JOHN ROBERTS"
Rectangular metal plate used for photogravure; obverse with bust of a woman in oval frame above inscription, "MARY DELL / WIFE OF JOHN ROBERTS"; brown chemical coating on printing surface.
Due to ongoing research, information about this object is subject to change.