Very niceI have plenty of tubes laying around. I must have a dozen or so NOS rectifiers from the 50's and 60's (Phillip's, GE, RCA, Mullard). And I have both Linlai Elite 300b's and new in box Dawning series we300b plus. Also some Linlai Elite 101d's. I also bought a set of best300b px25rk's and a 5u4grk lightly used. I have some great 46's and the military version VT63's also but I would need to pop a resistor or 2 in the circuit to get the heater voltage down to 2.5 or so. If I go digging around I probably have a couple other things floating around. The tube rolling curse strikes again.
So you are in for a very interesting journey