CH 1949 291-296 100 years post and 75 years UPU 2 FDC ill. with address

Switzerland 1949 100 years Swiss Post and 75 years UPU,
2 illustrated FDC (subscription letters of post) with first day cancellation "JOUR D'EMISSION" (french) and "AUSGABETAG" (german) with address, luxury conservation,
Catalog SBK 291-293 and 294-296, Michel 519-521 and 522-524