What best numismatic sites do you know?

[mercury]

For instance a lot of interesting and useful information i can find on dig4coins.com, wikipedia.com, nano.berkeley.edu/coins/, coinsdig.com, goldeneaglecoin.com
For example on [-- login to view link --] it is worth mentioned that the American Bald Eagle coin designs were issued back in December 5th, 2007. But U.S. Mint kept the coins out of sale until recently. There were minted over 700,000 coins, with variable prices.