They are everywhere. The have a distinctive hard silver exterior that is easy to spot. I've three, (Armstrong, Ellington, and Hodges) that I've picked up over the years. If you're purchasing more than a few items and the store has an excess and depending on the store they might come down in price. One guy tried to tag me $15 for one when there was no price tag on it, till I pointed to the shelf with ~30 or 40 sets. I wouldn't expect to pay much more than a five spot.