Gold Rush Gallery Site with US coin catalog. Services includes an online gallery and buying and selling of such gold coins.
Rudich Estonian dealer of coins and bank notes from the former UUSR. A Russian coin catalog for coins and bank notes of such origin.
Numismatics Hungary Hungarian site with regularly updated news and articles, with history of money (especially Roman and Hungarian related), also this page contains Hungarian coin catalogs and banknotes in both Hungarian and English.