Game-used MLB balls

[Runscott]

I stood in line for 3 innings to purchase a Cano-hit baseball at the Mariners game yesterday. Just wondering - would there be any interest in a 'trading group' of such items? Surely we have collectors from each MLB city, and I'm thinking there are probably some of us who would collect balls by stadium, by player, etc;e.g- it would be pretty cool to have a Felix Hernandez pitched ball from each stadium he appeared in...over the course of a few years or so.

I'm assuming items are priced roughly the same in all stadiums, but I could be wrong. In Seattle, a Cano-hit ball (foul or out) is $75, while a hit is $175. Run-of-the-mill balls are $50 or a little less. Not sure what a Felix-pitched ball goes for.

If there is enough interest expressed in this thread, I will gather names of people located in various cities, and we can contact each other when we are going to be at games where there might be 'balls of interest'.