Antique, Stereoscopic, Positive, Glass Slides of Versailles

These positive, glass slides can be viewed by holding them up to light or by using a device like:

https://www.etsy.com/listing/870810649/antique-german-collapsible-stereoscopic?ga_search_query=stereo&ref=shop_items_search_1&frs=1&cns=1

There are 12 slides, featuring Versailles exteriors, including statues.
Slides are in good condition with some surface wear (but this does not affect the viewing quality) and boxed with paper separating each.

Thank you for looking.