5c green on pale yellow postal stationery envelope (H&G B12) used with added 1935 20c deep green and 40c orange vermilion and 1937 pair 5c on 2c green, pair 15c on 25c indigo and pair 30c on 25c indigo 'Communicaciones D.S.' overprint issue (SG 291, 294 & 308/310) all tied by somewhat blurred SANTA CRUZ cds's with printed red on white 'SANTA CRUZ' registration label alongside. Addressed to GERMANY with COCHABAMBA and BUENOS AIRES, ARGENTINA transit cds's and German arrival cds's on reverse along with German currency control tape.