RUSSIA. 5 Ruble, 1827-CNB NA. NGC AU-58.C-174; Fr-154; Sev-402; Bitkin-2; Uzdenikov-202. Saint Petersburg mint; Mintmaster Paul Danilov. EXTREMELY RARE date. Finest certified at NGC or PCGS. Sharply struck and highly lustrous with a light veneer of tone. An exceptional rarity with lovely eye appeal. Sure to be destined for an advanced collection of Russian gold coinage.