One side flat, the other domed and decorated with incisions.
Pierced through the center.
Bone dyed pink. Cistern, middle fill. 346, 451 Leica, 7-413 PD 2112-11 ... 18 March 1937
Part of the base of a dish on a low ring foot; apparently very open.
The center rises to a depression underneath which is rough.
Bluish green glass. Channel F, water deposit (period of use accumulation) ... 17 March 1937