Folded letter sheet from Arroyo, Puerto Rico 9 April 1870 via St. Thomas to New York, USA. Franked with 10c yellow bright shade pictorial issue (SC 116) tied by N YORK – STEAM SHIP and ST. THOMAS 14/4 1869 cds, routing instruction Pr. Brazil Str. and forwarder Lamb & Co cachet in red. A beautiful letter.