Could be something to do with the fact that it's $22 worth of silver and and 3cents worth of gold for $87.50, I am however putting together a lunar series 2 gilded set
Yeah, I believe people who are going to buy it as numis or semi-numis will put in a couple extra bucks and go proof
They Have a much smaller diameter compared to a normal 1oz coin, thicker, and the detail pretty much pops out at you