In my '76 original Mk I, I currently have the following:
V1 NOS Tesla E83CC (this is apparently a Telefunken copy)
I forget what the reverb driver is, a 12AT7? If so, I think I have a Mullard in there, or it could be RCA. Same for the PI, I forget if that's a 12AT7 or 12AX7, but I think the...