"No restrictions on use"@en . . "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 . . "No restrictions on access"@en . . "irn9488" . "French 1.40; Martyres"@en . . "Postage stamp"@en . .