 He made six further List A appearances for the county, the last of which came against Nottinghamshire in that same season.In these seven List A matches, he scored 224 runs at an average of 22.40, with a high score of 27.Having left Northamptonshire at the end of the 1971 season, Osman proceeded to join Hertfordshire, who he made his debut for in the 1972 Minor Counties Championship against Suffolk.