Mason made his senior debut for the Windward Islands in March 1954, against the touring English team.
[1] In December 1959, Mason was selected to captain the Windwards in the team's inaugural first-class match, against England.
[2] Mason also captained the Windwards in their next first-class fixture, against another English team (organised by E. W. Swanton) in March 1961.
[4] Aged 35, Mason took career-best figures in the Indians' first innings (5/32 from 13.5 overs), and finished with eight wickets for the match.
His victims included four top-order batsmen – Vijay Mehra, Motganhalli Jaisimha, Dilip Sardesai, and the Nawab of Pataudi (India's captain).