# Portret van een onbekende oude vrouw in etui

- By: Mathieu-Deroche (Dijon, born 1837)
- Date: 1875 - 1890
- Medium: metal, leather, velvet (fabric weave), email, silk
- Classification: etui
- Dimensions: height 63 mm x width 51 mm
- Museum: [Rijksmuseum](https://www.rijksmuseum.nl/en/collection/object/RP-F-F25071-B--b4c74c5847443752d5bbea1654dc5e8d)
- Rights: [Public Domain Mark](http://creativecommons.org/publicdomain/mark/1.0/)
- Picture: https://iiif.micr.io/AgCJF/full/!1920,1080/0/default.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)