45 used Philco engraved baser triode tube. 45 tubes are used in several 1930 radios and Wurlitzer jukeboxes. The tube tests at 2300 microMhos with the average being 1850. I will properly pack the tube and pay insured USPS shipping with tracking number in the US. Same business day shipping. International shipping through ebay Global Shipping at actual postage cost and actual selling value on customs documents. (No shipping to Brazil) 7 ounces packed weight for international.