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Indeed, Piero!To the OP:I would look a little further down the headstock (but still above the split) for remains of the genuine number. You may try citric acid to reveal densification of the metal structure where the original digits were hammered in. If that doesn't work, maybe an X-ray exposure will.However, as pointed out by Kommando, the genuine stamping was applied with a minimum of force apparently, henceforth the impressions are easily ground off. Thus, even application of scientific methods may not reveal the secrets.-Knut
Indeed, Piero!
To the OP:
I would look a little further down the headstock (but still above the split) for remains of the genuine number. You may try citric acid to reveal densification of the metal structure where the original digits were hammered in. If that doesn't work, maybe an X-ray exposure will.
However, as pointed out by Kommando, the genuine stamping was applied with a minimum of force apparently, henceforth the impressions are easily ground off. Thus, even application of scientific methods may not reveal the secrets.
-Knut
