Western Electric 350B NOS, sealed boxes

NOS in sealed boxes from 1945.  The Holy Grail of 6L6 tubes. These are in sealed boxes from 73 years of storage. A Rare rare pair of tubes.  If purchaser needs another pair or quad I believe I have more.  Such a rare find, once you open the sealed boxes then you can open the sealed bag  inside the cartons which will reveal a cotton paper swaddling.   Although the boxes say Manufactured by Western Electric Co. INC. the tubes inside the sealed bag say Made in USA By National Union, W.E. Type 350B
 Sorry no warranty as these are 73 years old but I can attest to their glorious sound as Alex Yeung of Eastern Electric built me a 5 watt tube amp using a RGN 2504 rectifier tube  and I used a pair of these same tubes in that amp. Glorious delicate sound  they produce.