Natural boulder form with deeply carved interior, two small holes to edge (one with remnant of a gold pin), retaining an auction catalogue listing affixed to the underside

2 1/8 x 7 1/8 x 5 in.

Florence J. Gould, Villa El Patio, Cannes (sold, Sotheby's, Monaco, June 27, 1984, no. 2196)

The rim was originally mounted with a gold eagle, now lost; some surface roughness to interior.