Los 310
1865: Colombia 10 c. violet and 'Sobreporte' 25 c. black on blued paper, used on 1865 combination cover top Guayaquil, Ecuador with Great Britain 1865/73 4 d. vermilion plate 7 and 1 s. green plate 4 tied by 'C62' obliterator with single ring British P.O. SANTA MARTA cds (July 29) in black on reverse. British P.O. PANAMA double arc cds of transit (Feb 5) on front in black. A marvellous and most attractive combination cover, the 'Sobreporte' 25 c. covered the cost of the additional stamps needed from the British Post Office for onward transmission. Couple of minor file folds as to be expected. A rarity of South American Postal History. Unique. Signed A. Diena. Cert. Moorhouse (2014).
Provenance: E. Grant Glassco (Nov 1969), lot 715
