RARE!!  One of the best pairs we have for Y10 (VT-25) original box from US army order and made by General electric. 

This is a NOS, new, unused, old stock, perfectly matched pair (17 mA & 18.5 mA) of 2 x VT 25 10 Y with the sought after GOLD GRID from 1945 or earlier. They come in their original boxes. Both tubes were tested for shorts, vacuum, etc. on a Tube tester. It´s difficult to find a genuinely matched pair of new VT 25. They come in their original box.