Russia
Alexander II silver Prize Medal 1872, unsigned, issued by the Polytechnical Exposition in Moscow in 1872, Crowned double-headed eagle in circle / 8-line inscription in wreath, Diakov 783.3 (R3), Smirnov 717/a, 61mm, 123.32g, prooflike AU. Deep gray toning with sharp definition and light reverse contact marks. Rare.
Estimate: 2000-2500 USD