Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3

Switzerland

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Start price: $75

Buyer's premium:

OFFICIAL STAMPS: FOR THE WORLD HEALTH ORGANIZATION: 1948- 50, black overprint ”Organisation Mondiale de la Sante” on definitive stamps of 1941-49, 5c-10fr, complete set of 20, high values with top margins, full OG, NH, VF, SBK #6 -25, CHF450, Est. $120-$150, Sc. # 5O6-25