Not my gun and am in no way connected, but here is an O frame 16 for much less (so far). Barrels have been reblued, but at least not sleeved.
http://gunbroker.com/Auction/ViewItem.asp?Item=110677585Here is one that is sleeved (hopefully the one youre looking at wasnt done by him), and from what other work Ive seen of his, I would run as fast as possible from this one!
http://gunbroker.com/Auction/ViewItem.asp?Item=110585585And if the gun youre looking at is as poorly sleeved as this one, they wont bring $100 even if they are a 16ga O frame
http://gunbroker.com/Auction/ViewItem.asp?Item=109418672