BU means brilliant uncirculated which means it is an above average uncirculated coin.  Uncirculated means that it has not been put in cash registers or bank rolls with other â¦circulated coins.
Patrick Air Force Base. Patrick Air Force Base (IATA: COF, ICAO: KCOF, FAA LID: COF) is a United States Air Force installation located between Satellite Beach and Cocoa Beach, in Brevard County, Florida, in the United States. It was named in honor of Major General Mason Patrick, USAAC.
Davis-Monthan Air Force Base. Davis-Monthan Air Force Base is located in Tucson, Arizona (Pima County). The area has a large population of military and retired personnel. The aerospace industry is present as well as those associated with flight (e.g. Pima Air and Space Museum and Evergreen Air Center).