I love these valves.
La Radiotechniques E188CC
E188CC Buy it Now $120
They have Mullard Mitcham "2" codes. That could be 62 or 72. I could not see the getter.
I bought them from Olga in Lithuania. I have purchased from her before, as have a handful of other "Rollers"
The product will take a month to arrive. My PCC88's took 6 weeks, but I hung in there.
If they are 62's they are a steal. If they are 72's they are still a good value.
The RTC's I have now are 65's Large "O" made in Heerlen Netherlands.
Can't say enough good things about them.