![Portrait of Leonardo da Vinci attributed to Francesco Melzi](https://cmsadmin.rct.uk/sites/default/files/lead_image_half_height/RC1894_Leonardo%201600%20x%20625_Yellow.jpg)
LEONARDO DA VINCI (VINCI 1452-AMBOISE 1519)
Recto: Sketches of dragons. Verso: A design for a decorated cuirass
c.1478-80RCIN 912370
Recto: four studies of winged dragons in various contorted poses. Verso: two sketches of an elaborately-decorated cuirass.
stamp, ER VII, crowned, in oval: Lugt 901