Those are proof marks to show it has been fired with a proof deer....or proof of quality....or proof of tradition...or proof of insane obsession with numbering things and accountability/traceability....I vote the last one....in the US ARMY we call them rack numbers. I have seen many far newer knives numbered for components, including US made, whether folder of fixed.


Edited by Lofty (02/11/18 09:21 PM)
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Cadent a latere tuo mille, et decem millia a dextris tuis;
ad te autem non appropinquabit.