1865 (22 Jan) Russian Empire cover from Belostok to Warsaw with mail car postmark, franked 10 kop (Image)

1871 (16 Oct) Russian Empire part of cover from St. Petersburg, with Franco postmark, franked with 1k, 3k, 10k (Image)

1872 Stampless postcard, Russian Empire, sent from Vilna to Revel, franked with 5k (Image)

1879 7k Postal stationery stamped envelope, Russian Empire, sent from Moscow to Libava (SC ?? #32?, 115 x 83 mm, 14th Issue) (Image)

1879 7k Postal stationery stamped envelope, Russian Empire, Registered cover sent from St.Petersburg to Helsinki (Image)

1868 Postal stationery stamped envelope, Russian Empire, sent from St.Petersburg (1870 6 Sep) to Warsaw (SC ?? #20, 9th Issue) (Image)

1883-85 Postal stationery stamped envelope, Russian Empire, sent from St.Petersburg to Fredrikshamn (Germany) (SC ?? #37, 16th Issue) (Image)

1889 (15 Feb) 3k Postal Stationery Postcard, Russian Empire, sent from Tiflis to Berlin via Moscow (SC ?? #6, 7th Issue, DOUBLE BROWN) (Image)

1889-90 Postal stationery stamped censored envelope, Russian Empire, Finland, sent from Kivioja (in 1916) to Haapavesi (SC ?? #42, 17th Issue) (Image)

1901 (17 Oct) Postal stationery stamped envelope, Russian Empire, Registered cover sent from Vladivostok to San Francisco (United States) via Nagasaki and Yokohama (Image)

1901 (9 Dec) German Empire, German, Postcard from Oldenburg to Peterburg (Russian Empire) (Image)

1903 (24 Mar) Postal stationery stamped envelope, Russian Empire, Registered cover sent from Revel to Denver (United States) via St. Petersburg and New York (Image)

1914 (16 Sep) Russian Empire, Censored illustrated postcard, sent from Orenskoe, with censor handstamp, replaced stamp and forged cancellation (Image)

1915 10k Postal Stationery Letter-Sheet, Russian Empire WWI, sent from Smolensk to Berdychev, Censored in Minsk, with two censor handstamps (SC ?? #16, 7th Issue) (Image)

1916 (4 Jan) Russian Empire, Latvia, Registered Censored cover from Riga to Copenhagen, with Riga censor handstamp (Image)

1916 (23 Jul) Russian Empire, Registered cover from the Spanish consulate in Riga to Copenhagen, with consul handstamp and wax seal (Image)

1916 (22 Aug) Russian Empire, Latvia, Registered Censored cover from Riga to Copenhagen via Petrograd, with Petrograd and Riga censor's handstamps (Image)

1917 Postal stationery envelope, Russian Empire, Censored cover from Moscow to Helsinki, with censor postmark, franked with 7k charity issue 'For the soldiers' (Image)

Russian Empire cover to Bern, franked with the full set of charity issue "For the soldiers" (Image)