Russia and Poland
Reading edition
KORZEC
Established about 1803. Hard paste.
Moscow
Established in 1787. Hard paste.
ST. PETERSBURG
Mark in blue. Hard paste.
ST. PETERSBURG
Mark of Empress Catherine II. 1762 to 1796. Mark in blue. Hard paste.
ST. PETERSBURG
Monogram of Nicholas I. 1825 to 1855.
ST. PETERSBURG
Established 1744. Mark in blue.