"No restrictions on use"@en . "Envelope with watch components"@en . "irn628124" . "The envelope with watch components was donated to the United States Holocaust Memorial Museum in 2018 by Ellen Perecman, the daughter of Gershon Perecman."@en . . . "a: Height: 3.500 inches (8.89 cm) | Width: 2.375 inches (6.032 cm)\n\nb: Height: 0.625 inches (1.588 cm) | Width: 1.000 inches (2.54 cm)"@en . . . . . . "No restrictions on access"@en .