Switzerland Zumstein SBK III **
$ 350.00
Switzerland
1913, 50c Schweizerische Nationale Flugspende Bern Aviation Meet
semi-official airmail, unmounted, beautifully-centered amidst balanced margins, exceptionally fresh, very fine; with 1991 Rellstab certificate. (SBK III)
Description
Switzerland
1913, 50c Schweizerische Nationale Flugspende Bern Aviation Meet
semi-official airmail, unmounted, beautifully-centered amidst balanced margins, exceptionally fresh, very fine; with 1991 Rellstab certificate. (SBK III)
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