Registered cover with 'COMPANIA MANUFACTURERA DE PAPELES Y CARTONES S.A.' company imprint at top left franked with 1961 10c + 10c red brown & light salmon, 1962 5c dull purple & 10c lake red and 1961 2c ultramarine AIR issue (SG 535, 541/542 & 526) tied by SANTIAGO cds's dated 19 AGO 1963 with black & white printed 'R PAPELES Y CARTONES' registration label alongside. Sent airmail to USA with transit & arrival cds's on reverse.