Ref. A386: Zenith "contatori sovrapposti" a 3 colori

At Nicola's request...

...In my opinion, the first group are legitimate, and the second are fabrications.

I hope this is useful and does not lead to more acrimony.


I will add that member longinespassion is correct in saying that he and I have discussed this courteously on several occasions in the past, even though we do not entirely agree.

Again, sorry for the English.