我想请问，这个stem是原装的么。我看到有两个白色的点，烟斗口的那些痕

我想请问，这个stem是原装的么。我看到有两个白色的点，
烟斗口的那些痕迹是后来出现的么？谢谢你的解答。

結果 (英文) 1:

I would like to ask: the stem is original. I see two white dots,Pipe mouth those traces were later right? Thank you for your answer.

結果 (英文) 2:

I would like to ask what this stem is the original. I see two white dots,
those traces of pipe mouth is the subsequent emergence of it? Thank you for your answer.

結果 (英文) 3:

I would like to ask, this stem is the original. I see two white dots, and the marks of the mouth of the pipe were later found? Thank you for your answer.