Another one, if you need a strong mains rectifier: Consider EY500, see datasheet, two of them supply a nice big amp.
European made, NOS, for OEM sales thus no stamps but made in Europe for sure.
Pack of ten: EUR 25.-
Box of 50: EUR 60,-

Hello,
the 3A5/DCC90 is one of the hidden champions in the world of tubes. Works with plate voltages as low as 9-12V and as DHT ist is also very interesting for audio use.
Special price offer, NOS US made 3A5 EUR 8,60 each.

Special offer:

DF61, interesting subminiature tube, Telefunken NOS,
10 pcs EUR 6,50,
100 pcs EUR 25,-
AZ21, directly heated rectifier, Siemens, EUR 5,90
socket: Siemens original, EUR 4,-
6B8G US-Octal: 10 pcs EUR 3,-