This auction is for 2 pcs new, NOS NIB EL34 6CA7 Valvo with double halo, made in Germany, a pentode.
They come in original boxes. Both tubes is etched Xf2 B3J3.
Tested on my AVO Mk IV:

This is a matched pair:

Tube1: Ia=96mA gm=11,5mA/V
Tube2: Ia=99mA gm=12,0mA/V

Due to russian war in Ukrain I will not ship to Russia or Belarus

Registered shipping inside European Union is 18 usd, outside EU is 14 usd.