"No restrictions on use"@en . . . . "irn27759" . "No restrictions on access"@en . . "Envelope"@en . "The envelope was donated to the United States Holocaust Memorial Museum in 1997 by an anonymous donor."@en . "White paper; recto: upper left and lower right quadrants bear hand-written inscriptions in blue ink; upper right quadrant bears three adhesive postal stamps and three black ink cancellation stamps.\n\nrecto: lower right corner, in pencil,\"# 528, 503, 50\""@en . . . "1942 August 20" . "overall: Height: 4.500 inches (11.43 cm) | Width: 6.375 inches (16.192 cm)"@en .