A miscellaneous charges order (MCO) is an accountable   IATA document, similar to an old-style airline ticket, used to process the   payment of travel arrangements. They are issued by airlines, but normally pay   for services other than airfares. A MCO may be used to purchase most services   offered by airlines, hotels and tour operators.
            This one was for £3 addressed to Hertz at Liverpool. Its   purpose was for car hire. In some eight years this is only the second one I have   seen. It now is kept in the archives.
              
            
            
              
            
            Eagle Pennant's   Donated by Keith Moody