Our Father Madison Mint, Enameled

Are they selling for $170 or is that just what people are asking for them. Remember, you can ask whatever you want for an item, until you find a buyer, they aren't worth that. With that being said, unless you find someone looking for that particular bar, I can't see it going for much more over spot.

I was showing Jokingjoker an example of an enameled bar that sold for $180

You could very well get it, Nelson. Very few people on this site that I've talked with are actively seeking art bars and even less would pay anything above spot for one. There was a great price guide dedicated to them that came out in 1991 that I'd love to have but it consistently sells for over $200! Over the years, I've seen many art bars end on ebay well past $50. Certain Coke bars are just one example that people may know. Actually, there's a bar I've been trying to win for quite a while that's currently sitting at $52 with less than a day to go. I'll probably be outbid at $55, though. Like with most coins, rounds, and bars, it's all about rarity, and I'm thinking that this one's fairly rare since I'm unfamiliar with it and it looks to be in very good condition (I'm assuming it's from the late 1970's or 1980's but could be wrong). If you get no bites, consider trying the auction format, instead. It should garner a lot of interest.