"No restrictions on access"@en . "Ceskoslovensko 1; image of plant on window sill; adhered to black paper backing."@en . "irn9041" . . . . . "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 . "Postage stamp"@en .