Hi,
You may want to go over to the Cream Legbar Hybrid thread. Lots of discussions and pictures of various experiments! BTW, I recently hatched a CCLxBO and a CCLxSFH and both are showing a black spot on the head with detectable chipmunk stripping. Feather sexing for these two also indicate female.
https://www.backyardchickens.com/t/825092/cream-legbar-hybrid-thread