Mexico, 1884-85 Medallion Issue Perfins, collection of 7 "B perfins- Bartning Hermanos" (1884: 4c, 5c, 6c, 50c, 1p; 1885: 5c and 10c) and 3 "M perfins- Melcher's and Co-Mazatlan" (1884: 20c, 50c. 1885: 5c), Very Fine, very difficult to find. Scott No. 153//171  Estimate $200 - 300. $0 (Image)