Maritime Mail of Spanish Colonies in America

Puerto Rico British Post Office Mayaguez 1875, Aug. 15. Cover to Puerto Plata (Dominican Republic), rated for the inter-Antillean tariff with strip of three and single of 1d. rose pl. 160, tied by bold and clean strikes of "F85" obliterator, showing superb "Mayaguez Porto-Rico/Paid" c.d.s. alongside. A rare franking on cover to an unusual destination, even more desirable in this magnificent state of preservation. S.G. Z32. Ex Glassco and Borromeo d'Adda.