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Here's a grooved buffalo horn Rough Rider pen knife with copper bolsters and copper-tinted blades, shown with 4 copper pennies from my birth year.

This knife is a mystery to me (probably because I don't understand enough about the chemistry of metals). It's an amber jigged bone Rough Ryder mini canoe that's supposed to have nickel silver bolsters. But one day I got it out of storage and the bolsters had gone beyond the yellowish tint that RR bolsters often get (which can be polished right back to silver), and ended up with this mottled "coppertone" appearance. I've never seen that on any other knife. I think it's kind of a cool effect, and wish I knew how to reproduce it "at will" on another knife or three. (Thanks for the coins in all the photos in this post, Bob.)


- GT

This knife is a mystery to me (probably because I don't understand enough about the chemistry of metals). It's an amber jigged bone Rough Ryder mini canoe that's supposed to have nickel silver bolsters. But one day I got it out of storage and the bolsters had gone beyond the yellowish tint that RR bolsters often get (which can be polished right back to silver), and ended up with this mottled "coppertone" appearance. I've never seen that on any other knife. I think it's kind of a cool effect, and wish I knew how to reproduce it "at will" on another knife or three. (Thanks for the coins in all the photos in this post, Bob.)


- GT