I have to say this is one of the beautiful post Mortem photos I have seen yet. Photo by Alice M. Boughton, ~ 1910... The woman on the left is deceased while the woman on the right looks to be holding her. They look to be sisters. This is a beautiful picture though.
Typically, a post-mortem photograph depicted the dead person in a peaceful state of repose, as in a blissful deep sleep. But some of these post-mortem photos went further. Sometimes they liked to pose the deceased as if he/she was living: