Silver Eagle Proof Coins Why Are The 2008 American Eagle Silver Proof Coins Selling For More Than The Older Ones?

Why are the 2008 American Eagle Silver Proof coins selling for more than the older ones? - silver eagle proof coins

low supply and high demand ... are now hard to find.
and 1 ounce of gold coins ... forget. If you find that any costs to take more than $ 900 and even a few months for delivery.