Original TUNGSRAM HP4105 used tube
from 1030's
Vacuum Pentode RF/IF-Stage
Slightly different but still normally replaceable with E447 or Telefunken RENS1294
The tube tested with the great results:
Ia = 5,0mA
where 100% for the new tube is 4,5mA
the tube has Europe 5-Pin (O5A, B5) base, top contact screw type
you will get the tube you can see at the pictures
I always send the tubes by priority registered mail with tracking number within hours after receiving payment
Santic [feat. Vera Hall] – Trouble So Hard