1887 (14 Jun) cover to Sanborn, Iowa, USA bearing mixed issue Salvador franking 1879-89 1c. green (small faults) and 1887-88 orange tied by TRANSITO PANAMA cds with another strike alongside, reverse with New York transit and arrival cds.
1896 (Dic 7) cover to Zurich franked ‘Quince/ centavos’ on 24c. Waterfall tied by dumb cancel with San Miguel date stamp in association, San Salvador foreign mail transit, arrival backstamp; some toning around perfs
1912 illustrated Chemist’s advertising envelope to New York franked 1911 Insurrection Centenary 5c. and pair of 6c. tied by barred cancel with San Salvador Foreign Mail date stamp in association., handstamped ‘Via Salina Cruz – New York’.; fine and attractive.