In his unpublished list of the miniatures in the Fredrick collection, E. G. Paine (1960) attributes this miniature to Christian Friedrich Zincke (62.122.115
), about 1740. It was also described on accession as an enamel by C. F. Zincke. However, closer examination shows that it is not an enamel but a work on vellum, at that time a rather old-fashioned material.
This work of good quality is in a manner somewhat reminiscent of Peter Paul Lens (1714?–1750?); in fact a signed work by him of 1740 in the Portland collection is painted on vellum (Daphne Foskett, A Dictionary of British Miniature Painters
, New York, 1972, vol. 2, pl. 208, no. 526). The possibility of a Continental origin cannot, however, be excluded. In fact, Bodo Hofstetter (1995) and Bernd Pappe (1996) have both attributed it to Jean-Baptiste Massé (57.54
[2016; adapted from Reynolds and Baetjer 1996]