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I beg to differ:

https://en.wikipedia.org/wiki/Damascus_steel

https://en.wikipedia.org/wiki/Japanese_swordsmithing

And: The PVA adhesive was invented in the early 1950s (Elmer's glue). Since then it has been improved and now we have the yellow glues (Carpenter's Glue, Titebond, etc.) and even now the cross-linking PVAs (Titebond II).

so 7 decades...

While the modern pencil was invented in 1795 by Nicholas-Jacques Conte.

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Keyword is affordable, this sharpener is $15usd and a hand forged damascus steel blade won't meet the price point.

Well I get your train of thought but we had one othery type of steel for quite long:

https://en.wikipedia.org/wiki/King_C._Gillette#/media/File:G...

But it is fair point I am not interested to find more what kind of steel do they use for those sharpeners.

not = now Sorry...

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