American Numismatic Association
Ancient Coin Store - Ancient roman and greek coins, collectibles, and antiquities.
Coin Shows - World Wide Coin Show directory.
Foreign Coins and History - Documenting major historical eras through a coin collection.
Coin Today - Numismatic portal featuring comprehensive daily news and online resources including price guides and dealer directories.

Independent Coin Grading Company - Expert, consistent grading by the most respected names in the business.
Microscope Resources - Resource site about microscopes and related topics. Articles, newsletters and hundreds of FREE resources make your research easy and fast.
Microscopes HQ Everything Microscopes, from About Microscopes to Zoom Microscopes.
US Rare Coin Investments - Specializing in early and better date gold and silver coins since 1979. View over 2 million dollars in rare coins online.