Though I could not find a single image of him in a San Diego Padres uniform, I did find this shot of him in typical circa 1972 Topps angle, conveniently NOT showing a cap logo.
Forgive me, but I just had to make it a crude colorization to mimic what Topps was putting out there at the time.
Hahn actually split the 1975 season between three clubs: the Phillies for nine games, the Cardinals for seven games, and those 34 games with the Padres.
Over those combined 50 games, he batted .179 with seven hits over 39 at-bats along with 10 runs scored.
Ironically, the year before, while playing for the New York Mets, Hahn saw the most action in any of his Major League seasons when he played in 110 games, batting .251 with 81 hits over 323 at-bats, all career-highs.
Over his career, which spanned 1969 and 1975, he hit .236 with 235 hits in 997 at-bats, appearing in 454 games on a Big League playing field while playing all three outfield positions..