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Old 9th January 2016, 05:37 PM   #15
ariel
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Join Date: Dec 2004
Location: Ann Arbor, MI
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Pukka Bundook:

I think it is a machine engraving, but you might be right. Etching would be cheaper and more suitable for mass production of " enhanced" stuff.

Pity we cannot examine it personally: the mystery might have been solved right away:-)
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