...; sale, L.J. Del Baere, Amsterdam, Comtes A.V. Bloudoff, Saint Petersburg, et al. [anonymous section], Amsterdam (F. Muller), 25 (27) November 1924 sqq., no. 870, fl. 100, to Maurits Elzas (1868-1937), Arnhem;{NHA, RBK, INV, inv. 1215, no. 82.} 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)