2¢ ultramarine shade stationery envelope sent from St. Thomas 21 July 1879 to Portland, USA. With watermark IA, thin paper and ungummed flap. Carried onbard Brazil Lin’es COLORADO, first of three charters replacing regular sailings of USBMSC CITY ships. Small stain at top right outside the imprint. Eight 2¢ ultramarine stationery envelopes in used condition are recorded.