This auction is for an excellent engraved base Sylvania SX-182-B (type 182B) balloon. It in great shape.This tube tests better than new on my freshley calibrated TV10 D/U (a true dynamic mutual conductance tester) at 1750 micromhos, no shorts or gas (w a new tube minimum would be 1650 micromhos). Bid with confidence, please see my feedback. International Bidders: I will be happy to accept international bids. I will ship to confirmed addresses only. International shipments are by Bax Global or USPS Registered Mail only. Domestic Bidders: Insurance and signature confirmation required.