[Tubeglow20]

Ok, checked the coupling capacitor between the 12SQ7 and the 50L6. It's value on the schematic is a .0022uf. When I hold the capacitor between my fingers, the radio plays loud and clear with 2 different 50L6 tubes, but when I release the capacitor slowly, the loud hum/buzz returns. What do you think??? Oh, what I believe to be the original wax/paper capacitor at .0022uf @400 volts was in the radio.