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Auction: SW1009B - The Collector's Series - Latin America
Lot: 1109

1921, "$ 20 c" on 50c. green, inverted surcharge, together with 50c. green without surcharge, both used on commercial cover front, not exceeding 60 grams, from Bogotá to Medellín, endorsed "Por hidroavión", each cancelled by three-lines "Sociedad Colombo-Alemana/De/Transportes Aéreos" handstamp, and National Post 3c. (3), tied by 17.10.1921 datestamp on arrival. Each franking paid its corresponding triple rate. The overall tone spots and imperfections at top are of no importance for a unique item. Used to Illustrate this stamp in the Colomphil catalogue by Cruz & Bortfeldt, as well as in the Gebauer's & Londoño's handbook on page 57, as this is the only known example of this stamp known; the fact that this item also shows a non-surcharged 50c. stamp adds a further degree of rarity for its combination. Cert. Bortfeldt. Colomphil 7. Ex Augusto Peinado.

Sold for
$3,200