Black streaks on vg10?

[Cloudstrife]

Hello everyone I have a new Endura and it came with black streaky marks on it, maybe this is normal? I’ve tried hot soapy water and a cloth but it won’t come out.

https://imgur.com/a/Uz1BNxr

 

[The Aflac Duck]

Umm, the grain of the steel? Yeah, that’s totally normal.

 

[Cloudstrife]

Umm, the grain of the steel? Yeah, that’s totally normal.

Ah true I’m a knife newby.