1931, 5c. Condor tied to envelope by large violet GUAYARAMERIM cds to GB via ”Porto Velho/Amazonas”/Brazil showing boxed ”Enable to Letter Rate/F.S.” and ms. ”Closed against Inspection” alongside. Taxed on arrival with GB postage dues (2x 2d.+3d). Envelope a bit creased at top clear off adhesive and portion of bottom left corner torn away. Plus two PSE 5c. green uprated by 10c. red used in 1926 from TRINIDAD/BOLIVIA (capital of Benin in the Amazon Basin).