...; sale, collection J.G. de Groot Jamin (1842-1920) et al. [section anonymous], Amsterdam (F. Muller), 12 (14) December 1922 sqq., no. 1353 - 1390, fl. 135, to Maurits Elzas (1868-1937), Arnhem, 1922;{NHA, RBK, INV, inv. 1215, no. 63.} by whom bequeathed with 106 other watches, as part of the 'Maurits Elzas Collection', to the museum, 1937
Bibliografie en afkortingenlijst voor de herkomst (pdf)