Very Fine Imperial Russia silver 20 kopeks coin.
Rare over-date variety with bold 1816 over 1815.
The original 5 was punched high, the 6 was punched significantly lower, resulting in a large distinct separation between the 5 & 6.
Minted for Czar Alexander I at the St. Petersburg Mint (mint mark СПБ).
Certified by PCGS to VF Details Cleaned, PCGS has only one coin in their Population Report: XF 45.
Bitkin-193, variety with large crown and mint director initials ПС/МФ.
New PCGS holder with in-bedded chip for coin/holder verification (see shield icon on reverse side of holder).