RUSSIA. Siberia. 5 Kopeks, 1779-KM. Suzun Mint. Catherine II (the Great). PCGS MS-62 Brown Gold Shield.KM-C-5; Bit-1084. Always a popular series, these issues were fairly crudely struck for the vast area in north-eastern Russia and are usually encountered handled and with some issues. This example presents glossy brown surfaces with a solid strike.