Does anyone know these tubes

Are these tubes on par with Seimens & haskel cca nos.
NOS VALVO CCA 6922/E88CC GOLD PINS MADE IN HOLLAND 1964.
Thanks

malbor05-02-2005 10:40pm

tbg Details Discussions Posts This discussion Message User 5,263 posts 05-05-2005 at 04:22pm Copy Comment URL Report Comment Edit Delete I agree with Avguygeorge. I have laid in many of these although I presently use none. They look to be identically constructed.