In message , Paul M0EME
writes
I need 4 PL519 valves for a 400w HF amp, has anyone got any for sale??????
Also 4 valve bases....

You might want to try JPG electronics in Chesterfield? They might be
able to help, alternatively drive around and watch out for the
scruffiest looking TV repair shops you can find and ask in there.
--
Clint Sharp