Russia
Catherine II Polupoltinnik (1/4 Rouble) 1775 ММД-CA, Red mint, Bitkin-149, Diakov-326, MS62 NGC. Full, bright mint bloom, with a nice strike and pebbly surfaces from being struck with rusty dies. A small mintage of only 12,000 pieces. Very rare in Mint State and one of only two pieces certified in Mint State by NGC and PCGS combined.
Estimate: 2000-2500 USD