Is a ring stamped sts 925 worth anything?

Oh, dude, a ring stamped STS 925 means it's made of sterling silver. So, yeah, it's worth something. Sterling silver is a pretty decent material, like, it won't make you rich, but you could probably score a few bucks if you pawn it or sell it. Like, don't expect to retire on it, but hey, every little bit helps, right?