Blades

[Weltall]

I have a quesiton regarding blades on swords. I recently purchased a tanto, a very nice sword, at very good price. But my question is, that when I got it, the blade itself had a short of green-yellow sort of thing on it, almost looking like tarnish. The tanto has a wooden scabbard. I was wondering if this is something that happens, and if so, what could it be? Thank you all for any assistance you may be able to offer.

 

[Triton]

This is not typically something that is caused by a saya although it is impossible to vouch for each individual case. Was this a new tanto? If so it's possible you could have a factory applied coat of lacquer on the blade.

 

[Weltall]

Hmm, it was on display where I got it, but when they sold it to me, they had the box for it, so it may have been a new tanto. As for being a coat of something, it's possible, but would such a coat be mostly invisible? Because this was green-yellow and quite easy to see, although it all wiped off easily enough. I asked someone about it who thinks it may have to do with the wood that the scabbard is made of.