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cherryhill, Tom posted an update Friday, Sep 30, 2011, 10:34pm EDT, 14 years ago
Geo Duncan & Sons' No. 400 AKA Three Face, was made originally in 1878. If you know they are older than the 2nd World War, they are original. Wright was having them made shortly after the war. There's no sure fire way to distinguish between old and new, with out hands on. Some say the new faces lack character. If you can tell, the original acid finish was done by fuming, the recent by immersion, leaving a coarser finish. But in both cases you probably need both examples to tell.