50th Auction Anniversary Auction - Day 8

Russland: 1883-1888, 3 k. carmine with GROUNDWORK INVERTED, used and cancelled with RIGA 13. Jan. 18
1883-1888, 3 k. carmine with GROUNDWORK INVERTED, used and cancelled with RIGA 13. Jan. 1890 c.d.s., very fine. A VERY RARE VARIETY ON THE 3 k. (only 2 copies known to exist), and one of the rarest stamp of Russian Empire. (Sc. 33 b; Russ. Cat. (2010) €200,000,-; Mikulski certificate.).