1920, Official editions

  • CHF 2’950.00
F1 = stamped with WINTERTHUR 30.XII.20.-9

F2 = stamped with BERN 1 -4.XII.20-10



Flight 1 and 2 as a very beautiful and colorful four-block series. Both blocks are

The central stamp is clean and clear. The perforation is, apart from one

separated tooth at the top of No. 1 in perfect condition.



F1 tested Loertscher with certificate 24A31113

F2 tested Loertscher with certificate 24A31118
Catalog no. (SBK) F1-F2 
Version Blocks of four 
Cancellation postmarked 
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