PAA Grace airmail cover franked 1928 50c black & green 'Presidente' AIR issue and 1934 30c black brown, 2p blue & 5p orange 'International' AIR issue (SG 216, 239, 245 & 248) all tied by RANCAGUA cds's with fine black & white printed BRADEN COPPER Co. RANCAGUA registration label alongside. Addressed to USA with transit & arrival marks on reverse.