**SOLD**GZ34/5AR4 labeled Dynaco by Mullard - fat black base - etched code f31 b2a3 - made in Great Britain - center hole in guide pin - used maybe 20 hrs. in my Cary preamp - $85 (left tube)
**SOLD**Phillips Miniwatt GZ34 made in Holland - black base - center hole in guide pin - I used this maybe 50 hrs before getting the same tube with the metal base - the metal base seemed a little better but for much more $$$ - sell for $115 (right tube)
Phillips Miniwatt was bought as NOS from a very reputable seller - Tubemuseum on Ebay.
Paypal prefered - I'll pick up the fee and shipping free within CONUSA
