Watch List notes:

Alexander II (1855-1881), Proof 25-Kopeks, 1858, St. Petersburg, Feodor Blum, crowned double-headed eagle, rev. crowned value and date in wreath, incused edge grained, 5.23g, 12h (Sev. 3659; Uzd. 1745; Diakov 58; Bitkin 56), a majestic proof with light cabinet tone overlying wonderfully brilliant surfaces, about as struck, rare