Green Arrow #128 (1987)
Part 1 of 2. As Green Arrow and his sensei adjust to their new base of operations in San Francisco, Master Jansen decides to pull his own weight by getting a job. Unfortunately, it's as a "collector" for the Russian mob...and they don't take kindly to his leniency with their borrowers. Written by Chuck Dixon, with art by Dougie Braithwaite and Robin Riggs. Cover by Lee Weeks and Robert Campanella.