Switzerland Zumstein SBK Xa **
$ 850.00
Switzerland
1913, 50c Journée Valaisanne d’Aviation semi-official airmail
unmounted mint, depicting a monoplane in flight, fresh bright color, superbly-centered, a choice example of this scarce stamp, extremely fine; with 1992 Renggli certificate. (SBK Xa)
Description
Switzerland
1913, 50c Journée Valaisanne d’Aviation semi-official airmail
unmounted mint, depicting a monoplane in flight, fresh bright color, superbly-centered, a choice example of this scarce stamp, extremely fine; with 1992 Renggli certificate. (SBK Xa)
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