Intaglio stone: Wedgewood and Bentley...256
Overall: 3/4 x 5/8 x 1/8 in. ( 1.9 x 1.6 x 0.3 cm )
Oval black basaltes ware intaglio with stylized plant(?) motif on obverse.
impressed: on reverse: "Wedgwood / & Bentley / 256"
Due to ongoing research, information about this object is subject to change.