This auction is for 2 pcs. of unboxed Brimar type 12BH7 dual triode tube- both with same construction and nice printing.  Both test excellent on Hickok type 6000A with triodes very close.  These tubes look like they have had little if any use.  Both tubes have light etching toward the top of tube-  cannot read all but there is a 2K1/ then 1565 or 1585.  Made in England according to print on tube.  Nice version of this popular tube.   This is a second pair I just found.