1881: Quetzal 5 c. red and green, pair used on cover, from San Felipe to Perleberg, Germany, dated 5 August 1885, cancelled by a three ring violet "Correos San Felipe" duplex, on reverse "Coreos Guatemala" dated 9 August and arrival 15 September 1885, some toning, small tear top left, although remains a fine example, a scarce usage
