Russia
Nicholas I proof 3 Kopecks 1840 EM, Ekaterinburg mint, Bitkin-537, E.M. small, Proof 64 Brown PCGS. Mirrored fields with superbly struck devices. The surfaces are a medium chocolate color with traces of mint-red color around the letters on the reverse. Minor contact marks are noted on close examination. Extremely rare as a proof and the first we have seen.
Estimate: 3000-4000 USD