2653289 Soviet Postcard Depicting Prisoners\' Demonstration On 7 November 1925, 1925 by Russian Photographer, (20th century); 9.1x14 cm; Tobie Mathew Collection; (add.info.: Russian Photographer Published by the Administration of Northern Special Purpose Camps. This postcard is from a series printed for use by prisoners and officials in the earliest Soviet concentration camps, based on the Solovetskii Islands, also known as Solovki.); 穢 Tobie Mathew; Russian, out of copyright.