# Portret van een onbekende vrouw

- By: Erwin Hanfstaengl (Dresden, 1837–1905)
- Date: 1855 - 1885
- Medium: cardboard, paper
- Classification: carte-de-visite
- Dimensions: height 105 mm x width 63 mm
- Museum: [Rijksmuseum](https://www.rijksmuseum.nl/en/collection/object/RP-F-F15312--b5feedaed9bd943f419ee8f9f0fbc966)
- Rights: [Public Domain Mark](http://creativecommons.org/publicdomain/mark/1.0/)
- Picture: https://iiif.micr.io/KctMF/full/!1620,1080/0/default.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)