Matched Quad (4 tubes) of  NOS, new never used
POLAM PCL86 14GW8
very high quality tubes from from Poland
outstanding sound for reasonable price
PCL86 is a 14 Volts filament voltage version of ECL86 6BM8 tubes
 tested NOS in both pentode and triode mode
 very closely selected and matched in both modes,
tube 1 - Ia= 40mA(pentode)/2,4mA(triode)
tube 2 - Ia= 40mA(pentode)/2,4mA(triode)
tube 3 - Ia= 42mA(pentode)/2,5mA(triode)
tube 4 - Ia= 42mA(pentode)/2,5mA(triode)
where 100% for the new tube is 40mA(pentode) and 1,8mA(triode)
no boxes,come from a large military stock
perfect power tubes for the audio amp 
PCL86 is a combined double tube: ECC83 plus EL84 in one bulb with 14Volts filament, so you can make simple DIY high quality sound power stereo amplifier with only two PCL86 tubes.
price is for the quad (4 tubes)
I always send the tubes by priority registered mail with tracking number within hours after receiving payment

Santic [feat. Vera Hall] – Trouble So Hard