Airmail cover fr. with 5x60c 1928 Stanley issue, 5F 1931 definitives and 1.50F 1935 50 years Congo State issue, Belgian Congo stamps canc. "POKO*30.6.38", via "STANLEYVILLE*9.7.38", arr. "ΑΘΗΝΑΙ*13.VII.38". (Mi.100+143+159).