BK-KOG-585 (top section of BK-C-2018-2):
…; excavated during the demolition of the city ramparts near the Tolsteegpoort, Utrecht, c. 1844;{J. Leeuwenberg with the assistance of W. Halsema-Kubes, _Beeldhouwkunst in het Rijksmuseum_, coll. cat. Amsterdam 1973, no. 867.} …; donated to the Koninklijk Oudheidkundig Genootschap by J.P. Menger, 1859; on loan to the museum, since 1885
BK-NM-8530-2 (bottom section of BK-C-2018-2):
…; excavated during the demolition of the city ramparts near the Tolsteegpoort, Utrecht, c. 1844;{J. Leeuwenberg with the assistance of W. Halsema-Kubes, _Beeldhouwkunst in het Rijksmuseum_, coll. cat. Amsterdam 1973, no. 867.} donated to the museum by the municipality of Utrecht, 1888
Bibliography and list of abbreviations for the provenance (pdf)