. . "No restrictions on use"@en . "No restrictions on access"@en . . "Postage stamp"@en . "irn9467" . . . "The postage stamp was donated to the United States Holocaust Memorial Museum in 1995 by Irina Kamenkovich, Tamara Kamenkovich, and Natella Voiskinskaya, the family of Ilya Kamenkovitch."@en . "DDR 20; 1000 Jahre Weimar"@en .