Watch List notes:

(x) Russia, Nicholas II (1894-1917), Proof 15-Kopeks (3), 1904-CNB AP, St Petersburg, imperial double-headed eagle, rev. text in wreath; another, 1907-CNB 3B, as last (Bitkin 133; KM Y21a.1); lastly, 1908-CNB 3B, as before (Bitkin 134), all in PCGS holders, graded PR64, the last CAM (3).

Estimate: £1400 - £1800