Recto: An emblem of Galeazzo Maria Sforza (?). Verso: A fragment of a design for a needle-making machine
- Inventory
- RCIN 970124
- Date
- c. 1495
- Artist
- Leonardo da Vinci (1452-1519)
- Collection
- Royal Collection Trust — Windsor Castle
- Image credit
- Royal Collection Trust / © His Majesty King Charles III · All credits
