What year did the CFL football first have stripes?

Answer 1

For night games in the West during the 1950s, a yellow football was used that had a black stripe around each end. The lighting in the stadiums was nowhere as bright as it is today, and a yellow ball was much easier for players, officials and fans to see.

Answer 2

1975 was the last year the NFL used striped footballs during games. The Wilson date code for these footballs were HH