1881: Quetzal: 10 c. gray-violet and green, pair used on cover, from San Marcos to Perleberg, Germany, dated 22 May 1884, tied by a combination of the violet town datestamp without date and black star cancels, on reverse Guatemala transit dated 29 May 1884 and arrival in Perlesberg 9 July 1884, slightly soiled, generally fine, a scarce double franking
