"White painted metal with\"I. Grootker\" painted in black capital letters. The nameplate was from 67 Achillestraat in Amsterdam."@en . "overall: Height: 1.130 inches (2.87 cm) | Width: 4.000 inches (10.16 cm)"@en . . . "Metal nameplate"@en . . "No restrictions on access"@en . . . "The collection was donated to the United States Holocaust Memorial Museum in 1991, 1993, 1994, 2002 by Paul Grootkerk, the son of Jack Grootkerk, and in 2015 by Doug Thweatt, on behalf of the Estate of Paul Grootkerk."@en . . . "irn560098" . "White painted metal with\"I. Grootker\" painted in black capital letters. The nameplate was from 67 Achillestraat in Amsterdam."@en .