13c brown postal stationery registered envelope (H&G C1) FRONT only used with added 1935 8c on 7c bright blue (SG R340) tied by fine BARAHONA cds's in red. Addressed to AGENCIA CASANOVA CIUDAD TRUJILLO with firms cachet on reverse. Note that these envelopes often had the fronts cut out and stamped as proof of receipt - thus making this correct use.