A 19th century galvanic copy of a very rare coronation medal.
The issue is undescribed in Raczynski. In Hutten-Czapski's collection, of the four medals in the "sic munita tutior"series, only this one was known in silver, yet it was appreciated with a higher degree of rarity than the others - gold medals (R5, gold R2).
Silver-plated bronze, diameter 44 mm, weight 24.23 g.