I have picked up many of older things over the years with the intention of researching them and finding value. I don't know enough about marbles to try hard but have noticed the few on this forum have a passion for them. So maybe you guys can help me identify and age them.
I agree with Joe, they are mostly newer marbles (meaning 1970s and up). The group of three up top look like a few older ones from maybe the 50s or even 40s. They look like Akros and maybe a Pelt or Vitro. The big ones up top need better pics to be sure but they look like newer glass for the most part from a distance. Closer pics of them might change my mind. The white based ones in the middle look like mostly imperials with maybe a pelt rainbo mixed in, not sure. If there is a chance of any of them having value, it would be one of the top left ones if it turns out to be older.