Stored safely for many years, included very old 1970s boxes ...  absolutely perfect matching PAIR all the same date code 7839 ... all .... NOS new in box WE 412A are always sought after .. both tubes have nice, complete yellow ink print, with beautiful mirror chrome flashing and top halo getters.

PAIR  better than new, over 115%/115% , full load on calibrated Jackson 648 tester.  Strong stable performance and no shorts. Tubes will arrive to you guaranteed working  ... NO DOA! 

HiFitown & kearnyshop, 100% sellers for 10 years, see the happy feedback for all old WE tubes! Fast overseas shipping .. EMS Express Mail or USPS Priority Mail small box ... with track # via email, double box packing