Henning Koppel Brooch for Georg Jensen Denmark, c. 1960 Abstract sterling silver pin accented with blue enamels, model number 307. Designed in 1947, produced in the 1960s. Hallmarked with Georg Jensen mark, HK, 925S, DENMARK, 307 2.5″ Long, 2.25″ High Reference number GJ-HK-01 $1,200.
Sterling silver brooch designed by Nanna Ditzel for Georg Jensen. Oyster form set with black onyx bead. Model number 328. Marked with Georg Jensen hallmark, STERLING DENMARK, 328, and Nanna & Jorgen Ditzel hallmark. 2″L, 1.5″H, .75″D Reference number GJ-ND-02 $400.