Lots of debris is created when older buildings are renovated, demolished or replaced. That debris, which is usually carted away and discarded, can contain precious metals in the following forms . . .

You’re bound to find old black and white photographs in nearly every junk or antique store you visit. You might find one nicely framed old photo hanging on a wall. Or you might find a cardboard box that’s chock full of prints on paper, gathering dust in a corner.