557 | Switzerland. Airmail

Automatically generated translation

English Yvert 21/23, 8, 10. 1937. Different values. Registered from ZURICH to MONTEVIDEO (URUGUAY). On the front mark of the flight 4.INTERNATIONALES / FLUGMEETING ZURICH / SONDERPOSTFLUG / ZURICH-SION, in blue and arrival on the back. VERY FINE AND RARE ADDRESSED TO URUGUAY.

International Auction #136

Wednesday, 7 October 2026 | 16:00

Lot 557

Starting price 20€

Illustrative price in other currencies

$ 23
£ 17
CHF 19

Updated 2026-09-22 12:00:05

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Technical editor of the description:
Hermenegildo Trillo Barragán

Philatelic technician of Spain, Colonies and Worldwide

htrillo@iberphil.com