Russia
Nicholas I copper Pattern Denga (1/2 Kopeck) 1828-CПБ AU58 Brown NGC, St. Petersburg mint, Uzd-3270, Brekke-34, Bitkin-920. Plain edge. Rich, reddish-brown surfaces, with much of the original mint luster remaining. Only a few scattered marks on the edges and in the fields detract from this dazzling small trial piece featuring sharp, defined rims. An extremely rare piece, with just three other specimens crossing the auction block in the past decade.From the Nob Hill Collection
Estimate: 10000-15000 USD