Collectors' marks on verso (JPM).
Oval made regular.
Various other identifications have been made for this portrait; a fancy self portrait (Hind), Joris de Caullery (Biörklund), Philips van Dorp (Six) and Prince Adolphus of Gueldres (Blanc). (White and Boon)
Self Portrait (?) with Plumed Cap and Lowered Sabre