Vintage Double Exposure

Apparently double exposures were quite popular in the early days of photography - and a wide variety of subjects were used. This is for the technique 83 challenge with the theme of Vintage:

https://365project.org/discuss/themes-competitions/31351/new-technique-challenge-vintage
It uses a variety of images so I'm not sure what date will show up on it. The flat orchid flower was taken in the time frame given - don't know if this is OK or not?