Offered are (6) 35W4 Rectifier Tubes. Offered are (3) buy Westinghouse, (2) by Raytheon and (1) branded Shield.  Each test good on the Jackson dynamic tester and show no shorts or inter-element leakage. The Westinghouse date codes are as follows: 63-52, the date codes on the Raytheon are as follows:  L16 and the Shield: 8/72. Used extensively on old radios with series string filament circuits.  Pick up the tubes for your own repair and restoration work. Mouse all over the photo images to zoom in. NO RESERVE!! Thanks for looking.