Yvert 5. 1924. 25 cts blue, various values and 30 cts ultramarine and ochre vignette FLUGPOST GRENCHEN. Certificate from GRENCHEN to OLTEN. Arrival on the reverse. MAGNIFICENT.
International Auction #136
Wednesday, 7 October 2026 | 16:00
Lot 523
Starting price
30€
Starting price 30€
Illustrative price in other currencies
-
$ 34
-
£ 26
-
CHF 28
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Technical editor of the description:
Hermenegildo Trillo Barragán
htrillo@iberphil.com
Hermenegildo Trillo Barragán
Philatelic technician of Spain, Colonies and Worldwide
htrillo@iberphil.com