"The stamp impression was acquired by the United States Holocaust Memorial Museum in 1995."@en . . . "No restrictions on use"@en . "irn10412" . "White paper; recto: blue ink stamp representing square containing letters,\"Do\""@en . . . . "Ink stamp impression from an administrative department of the Kovno ghetto"@en . . . "overall: Height: 0.750 inches (1.905 cm) | Width: 0.830 inches (2.108 cm)"@en . "No restrictions on access"@en .