1916 (10 Dec) Russian Empire, cover from Volma to Pixar via Ruen with the Wolmar School hand stamp on the back (Image)

1916 (15 Apr) Russian Empire, cover from Volmar to Pixar via Ruen with the Wolmar School hand stamp on the back (Image)

1915 (9 Nov) Russian Empire, cover from Riga to Lemsal with the Livonian Lutheran Consistory Lable on the back (Image)

1912 (5 Jul) Russian Empire, cover from Mitava to Okmyan with the Superintendent General label on the back (Image)

1896 (14 Aug) Russian Empire, cover from Riga to Lemsal with the Livonian Lutheran Consistory Lable on the back (Image)

1896 (28 Jul) Russian Empire, cover from Verro to Riga then back to Verro with the Verro volost government hand stamp on the back (Image)

1894 (6 Jul) Russian Empire, cover from Lemzal to Ruen with the monastery label on the back (Image)

1893 (26 Mar) Russian Empire, cover from Director of the Ufa Gymnasium to Director of the Riga Gymnasium with the Ufa Gymnasium label on the back (Image)

1893 (23 Mar) Russian Empire, cover from Director of the Yaroslavl Gymnasium to Director of the Riga Gymnasium with the label for the packet on the back (Image)

1893 (24 Mar) Russian Empire, cover from Director of the Odessa Second Gymnasium to Director of the Riga Gymnasium with handstamp on back (Image)

1892 (1 May) Russian Empire, cover from Director of the Tula Gymnasium to Director of the Riga Gymnasium with handstamp of Tula Gymnasium on back (Image)

1889 (18 Apr) Russian Empire, cover from Zanten court to Tukkum court via Kandaus with the handstamp of Zanten court on the back (Image)

1889 (13 Jul) Russian Empire, cover from Tukkum (Tukums) court to Police warden with the label of Tukkum court on the back (Image)

1888 (20 Jan) Russian Empire, cover from Kaluga provincial government to Mitawa with the label of Kaluga provincial government on the back (Image)

Kamensk, South Russian Dnieper Metallurgical Society, Russia, Mail Seal Label (Image)

Kharkiv-Nikolaev Railway Administration, Russia, Mail Seal Label (Image)

Sosnovitsa, Customs Service, Russia, Mail Seal Label (Image)