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davidcyclebackThey could be press photos, sent out to the press, though press photos usually aren't that small. Also, fascimile signatures are rarely put on press photos. Fascimile sigs are usually for commercial items-- for the fans.
In cases, teams made player/team photos that they both sold to fans and sent to the press. I had the press photo collection of a sportswriter and it included team issues. So it's not always an either/or situation.