Description
on a 43 mm pin)
with paper backing
hallmarked "BIRKS"
impressed: MAJOR H
(Un-named) With patina
An Imperial Prussian Promotion Of Science Medal Auction Archive on a 43 mm pin)An Imperial Prussian Promotion of Science Medal Finely produced in silver gilt and extensive enamels, 30. 90 x 36. 15mm, perfect enamels, better than extremely fine.