Original photos are out there but in far smaller quantities than baseball. What you are more likely to find are team issues with graphics added and wire photos. We have another thread going on a similar subject, but I cannot resist throwing out a photo I got from an archive of a sportswriter:
Cousy-Russell-Chamberlain, from 1961. Just one of my favorites.
team issue:
ABA team issue (really hard to find these):
