Russia
Nicholas II gold 5 Roubles 1899 ФЗ, St. Petersburg mint, Bitkin-24, KM-Y62, MS66 NGC. Full, sparkling mint luster with a sharp strike and near mark-free surfaces. Only two pieces have been certified in MS66 by both NGC and PCGS combined, with none certified finer.
Estimate: 4000-5000 USD