Lot of thirteen new old stock NATIONAL UNION loktal tubes. One each: 7F7 , 7A7 , 7B6 , 7E7 , 7Z4 , 7Q7 , 7B5 , 7J7 , 7AF7 , 7X7 (XXFM) , 14A7 , 14AF7 (XXD) , and 5AZ4.  FREE U.S. SHIPPING ! Thank you for looking !!!