5 NOS/New Vintage 1945 Sylvania Coke Bottle JAN 5Y4G Rectifier tubes, US Navy, Tested/matching, Military Spec, worn boxes, ex quality and craftsmanship. They have the incomparable vintage JAN/Military design, craftsmanship and performance that only vintage USA Jan tubes can offer. The shipping cost includes safe packing, insurance, prompt shipping and tracking number. Buy with confidence, see my feedback. Good Listening, SonnY :)