# Portret van een onbekende man

- By: Pieter Cornelisz. van Slingelandt (Leiden, 1640–1691)
- Date: 1650 - 1691
- Medium: ink, parchment (animal material)
- Classification: drawing
- Dimensions: height 154 mm x width 134 mm
- Museum: [Rijksmuseum](https://www.rijksmuseum.nl/en/collection/object/RP-T-1903-A-4763--6f47e28d1e38a3c5c76b01511c92b131)
- Rights: [Public Domain Mark](http://creativecommons.org/publicdomain/mark/1.0/)
- Picture: https://invisiblenetwork.ai/thumbs/web/707ef21aecd528275359ca364e78a4b6.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)