Numismatist noted numismatist who was not an avid collector, and King Farouk I of Egypt was an avid collector who had very little interest in numismatics. Harry Bass by comparison was a noted collector who was also a numismatist. The second group are the coin dealers. Often called professional numismatists, they authenticate or grade coins for commercial purposes. The buying and selling of coin collections by numismatists who are professional dealers advances the study of money, and expert numismatists are consulted by historians, museum curators, and archaeologists. See, for example, the International Association of Professional Numismatists (IAPN) and the British Numismatic
Toll Collect Toll Collect Toll Collect GmbH is a German company that has developed and is running the tolling system for trucks (LKW-Maut) on German motorways. The company is a consortium led by Daimler AG, Deutsche Telekom, and Cofiroute. It has won a bid for the development of a toll billing system from the German government. The development of the system started in September 2002. The technology is based on the Global Positioning System, and a web application for booking truck routes in advance. Trucks are equipped with embedded systems called "On Board Units" (OBUs). OBUs are used for positioning, monitoring and