CH 1935 FS 14Cz-16Cz Nurses and Portrait of Henry Dunant, corrugated, with control no 80/580/680, bloc of four cancelled

Switzerland 1935 Franchise stamps,
Nurses and Portrait of Henry Dunant,
Chalk paper, corrugated paper,
C. with controll number 80/580/680,
3 bloc of four complete, set bloc of four cancelled
(SBK Portofreiheit 14Cz-16Cz, Michel 14IIIz-16IIIz).