Bishop Mason and party boarding plane for trip to foreign work, after 1950?

[description english/roman)] Photograph (from an unidentified publication) of "Bishop Mason and party boarding plane for trip to foreign work", after 1950?该照片源自一份来源未明的出版物，主题为"梅森主教及其随行人员登机前往国外执行公务"，拍摄于1950年之后？