12BE6 x3 used heptode tubes used in hundreds of later AA5 miniature tube radios. The tubes have been tested and tests 95% or better. 68% is minimum I will properly pack the tubes for safe shipment in a box and pay insured USPS postage with tracking number in the US. Same business day shipping.  International shipments through eBay Global shipping for actual postage cost and selling price on customs forms. 7 ounces packed weight for international.