Lot Essay
These studies belong to a series of four, one of which bears Van de Passe's monogram (Collection Foundation P. & N. de Boer, Amsterdam); another is in the Rijksprentenkabinet, Amsterdam (K.G. Boon, Catalogue of the Dutch and Flemish Drawings in the Rijksmuseum, II, Netherlandish Drawings of the Fifteenth and Sixteenth Centuries, The Hague, 1978, no. 396, pl. 396)