CH 1927 FS 11A-13A Swiss coat of arms and alpine roses, Fiber paper, with control no, set MNH

Switzerland 1927 Franchise stamps,
Swiss coat of arms and alpine roses,
Fiber paper, with controll number,
3 values complete, set MNH
(SBK Portofreiheit 11A-13A, Michel 11Ix-12Ix).