Auction 309-320 - Europe & Overseas - Day 7

1869-71: Liberty Cap on Mountain, 5 cts. black and 25 cts. green, used on cover, from CHINANDEGA (Nicaragua) to MADRID (Spain), tied by black cancel, with blue double circle 'CORREOS DE MANAGUA' alongside (12 Oct 1881), British Post Office 'PANAMA' datestamp in black (20 Oct 1881), two Spanish charge marks 'M/1P' and 'M/0,20' in violet, addressed to Fernades Duro, philatelic writer of the time, Secretary General of the International Congress, London transit on reverse in red (11 Nov 1881) and a Madrid arrival the date indistinguishable, a very fine cover, extremely rare, more so to Spain with such a combination of rare stamps. Cert. PF (1991) Gi = $13'500 (as singles on cover).