Hold on to them right now. Put them in the attic in a box of some sort. Preferably not a cardboard box.
Out of sight, out of mind.
The reason I say this is because the baseball card market has been in a decline in the past years. I would hold off, because I'm sure the market will return in the future. But when, who knows.
Or if you don't want them, just send 'em my way.