Pair of Sylvania 6080 twin triode vacuum tubes - they appear to be new but are not in original boxes. Same production codes DJ EBC. Closely matched across sections and across the pair with strong test. One pair tested 5644/5561 uMhos, the other 5561/5312 uMhos - with baseline of 4150 uMhos acceptable. Fully tested on Hickok AN/USM-118B tube tester. Each tube will be packaged in white tube box.