CH 1936 J77-J80 Pro Juventute Set FDC with address

Switzerland 1936 J (Pro Juventute issues)
Pro Juventute - Portrait of Hans Georg Nägeli and Swiss women's costumes, SBK J77-J80, Michel 306-309,
Set FDC on proper white envelope with address, best quality, recomanded letter, used: VEVEY 1 II Poste Restante, 1. XII.36-12,
on backsite recieve cancellation.