. "Hexagonal, metal with gray enamel background,\"Tf. in red enamel,\"Halle 4\" in blue enamel,\"Moch\" in black enamel."@en . "Prisoner identification badge"@en . . . . "The badge was donated to the United States Holocaust Memorial Museum in 1996 by Laib Opoczynski."@en . "irn11711" . . "Badge worn by a slave laborer at Dora-Mittelbau concentration camp."@en . . "No restrictions on use"@en . . . "No restrictions on access"@en . . "overall: Height: 4.000 inches (10.16 cm) | Width: 2.500 inches (6.35 cm)"@en .