British Museum website: "Popham describes this drawing as attributed to Ahasuerus van Londerseel in the manuscript catalogue of Sloane's collection in 1845 but this attributions seems very unlikely. Popham attributes the work to 'some Dutch mannerist of about 1600, like Karel van Mander'.
This sheet shows some similarities with two study sheets containing figure studies attributed to Jan Brueghel the Elder in the Devonshire Collection, Chatsworth (inv.no.676) and in the Kupferstichkabinett, Berlin (inv.no.9621).
AVCLiterature: M. Winner, in 'Pieter Breughel d. Ä. als Zeichner', exh.cat. Kupferstichkabinett Berlin, 1975, cat.nos.121 (Chatsworth) and 127 (Berlin, formerly attributed to Willem Buytewech)."