"No restrictions on access"@en . . "irn9474" . "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 . . . . "Russian 60; Peter the Great"@en . "Postage stamp"@en . .