HENRY BONE (BRITISH, 1755-1834) AFTER CORREGGIO Portrait miniature of Caesar Borgia, Duke of Valentinois (1475-1507), in robes and a hat signed, dated and inscribed ‘Caesar Borghia / Painted by Henry Bone A.R.A. / Enamel Painter to HRH The / Prince of Wales, after the Original / Picture by Corregio in the Collection / of Tho. Hope Esq. / London / October 1805.’ (on the counter-enamel) enamel on copper 90mm diameter in a gilt-metal mount Provenance Sotheby’s, London, 27 March 194, lot 78 (part lot), acquired by Mikel Papier, thence by descent. Literature R. Walker, ‘Henry Bone’s Pencil Drawings in the National PortraitGallery’, The Walpole Society, LXI, p. 335, no. 340 and p. 316, no.65.  Footnote Another version of the present miniature was sold Christie’s, London, 3 June 2015, lot 449 (part lot).