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Auction: 20034 - The Doyen Collection
Lot: 1242

(x) Switzerland
1935-37 Air
10c. on 15c. light green and green block of four, variety surcharge inverted, unmounted mint. A wonderful exhibition showpiece of superlative quality, extremely scarce as a multiple from the one sheet of fifty. Zumstein (1972) and Briefmarkenprüfstelle (2002) Certificates. S.G. 359a, £40,000+; Zum. 20. 1A.09, CHF 68,000 +

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Sold for
£9,000

Starting price
£5500