Physical Dimensions: overall (diameter): 6.8 cm (2 11/16 in.)
gross weight: 95.47 gr (0.21 lb.)
axis: 12:00
Provenance: Purchased c. 1978 by E.R.A. Unger, Richmond, England; (sale, Glendining's, London, 10 June 1987, no. 320); purchased through (Cyril Humphris, Ltd., London) by NGA.