Made in England by Brimar (1960s).
Same as GEC B65. This version which was outstandingly special made for British's Military. Brown base, Round gray plate, Triple mica and Double O-Getter. Super rare version. Hard to find today. Best of 6SN7s ever made by Brimar. One of the best 6SN7 ever made in England. Nos in ARC box. Never been used. Matched pair are available.

Made in G.Britain (1950). Rare 6SN7s.
Another version of B65 from Osram.
Muddy black plate, clear glass. metal base with Bottom Cup Getter. 
Detail and balance sounding. In the top-five list of most wanted 6SN7 tubes.
Nos in original box.

Made in England by Brimar.
Black glass, black plate, black base. Second version with no wing on the top.
Very good tube you can find. Strong bass, wide midrange and soundstage.

Nos in original box, Matched pair are available.

Made in England by Brimar (1950s).
Clear glass, black plate, black base.
Very good bandwidth, bass, midrange detail and soundstage.

Like new (90%), Tested good and matched. Matched pair are available.

Made in England by Brimar (1960s).
Clear glass, gray plate, black base.
Very good bandwidth, bass, midrange detail and soundstage.

Like new (90%), Tested good and matched. Matched pair and quad are available.

Made in England by Brimar (1960s).
Black glass, brown base.
First version with double wings on the top.
Great tube from Brimar with super sound.
Nos in original box. Matched pair are available.

Made in England by Brimar (1960s).
Black glass, brown base.
First version with double wings on the top.
Great tube from Brimar with super sound.
Nos in original box. Matched pair are available.

Made in England by Brimar.
Clear glass, brown base.
First version with double wings on the top.
Great tube from Brimar with super sound. Deep bass.
Nos in original box.

Made in England by Brimar.
Clear glass, brown base.
Second version with no wing on the top.
Very nice tube from Brimar with super sound. Wide widrange.
Nos in original box.