Unknown man

by Wenceslaus Hollar, after Leonardo da Vinci
etching, 1648
NPG D9969

Madonna and Child

by Henry Bone, possibly after Leonardo da Vinci, or after Gianpetrino Malacrida
pencil drawing squared in ink for transfer, 1802
NPG D17396

'The Virgin of the Rocks' (The Virgin with the Infant Saint John adoring the Infant Christ accompanied by an Angel)

by Henry Bone, after Leonardo da Vinci
pencil drawing squared in ink for transfer, June 1808 (1491-1508)
NPG D17398