This auction is for (5) SYLVANIA 5Y3GT NOS Vacuum Tubes. The tubes are TV-7D/U Test: #1- 52/48, #2- 52/47, #3- 50/46, #4- 54/48, #5- 51/48. Date codes match (GL). SEE PHOTO.... I used my TV-7D/U tube tester for testing these tubes. If you have any questions or issues
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so that I may address them. I combine shipping on all of my auction sales. Shipping will be $2.98 first class mail in the U.S.