Dear Linda, 

I had a quick look to the Fond de Moscou and found the following reference that might be the right one if we consider that Leon is the French variant of Chaïm (that was quite common)


Will chase the file later -- Covid is making the access more complicated (and they have announced another curfew @ 6PM a few minutes ago)

--
Regards,
David CHOUKROUN

david.choukroun@...
FRANCE

CHOUKROUN ATTALI ATLANI