Up for auction are these 2 Tested 5Z3 RCA Old Logo VT-145 Black Plate Tubes. Tubes test @: 1500/1300, and 1300/1200 with a minimum of 800 tested on my Western Electric tube tester. Buyer to prepay and add stated shipping cost. S/H in the U.S $6.00 and $14.00 for overseas. Also be sure to leave me feed back as I'am trying to build up my score, as i will do the same for you. Thank you, and good luck !!!