Maybe the early production wasn't Babies but similar-looking, mechanically different guns based on the patent filed in France November 1933: https://patentimages.storage.googleapis.com/8f/f8/65/ea30c40f35e9dc/US2087661.pdf

In some versions sort of like an O/U Darne; Probably didn't reload too darn fast:

https://scontent-hel2-1.xx.fbcdn.net/v/t...amp;oe=5E99AF72

Markus