Posted By:
Eric BrehmJoann, this is not a simple matter. There are apparently some gray areas in the law, concerning how baseball card profits (and losses) are taxed. You might want to peruse a recent thread that explored this topic:
http://www.network54.com/Forum/153652/thread/1172503663/last-1172601496/Are+baseball+card+transactions+taxable-
edited to fix link