American Coin & Stamp - Coins, stamp, comics and collectibles.
- Provides accurate grading and pricing as well as quotes on coins.
CoinGuy - Bret Leifer Numismatics sells rare and precious coins.
Collectors Universe - Find rare coins and other collectibles here.
Jake's Marketplace - Buy, sell, and have appraised your coins as well as stamps, silver, gold and more.
Kennedy Mint - Genuine US coins and currency.
Numisma Online - View, purchase and trade coins online. (***)
Stamp & Coin - Specializes in stamp and coin collecting, this site also has other collectible sections such as cards and autographs.