Need help with signature on knife

[jtw1313]

I think the first name may be Robert

 

[ToddsPoint]

Hard to read. Looks almost like Robert Yanley to me. Can't read the bottom line at all. Gary

 

[ANTIQUARIAN]

Interesting reproduction of a pre-historic flint knife.

But why would the maker (I assume it's the maker) write his name on the handle with a Sharpie?

Dave

 

[jtw1313]

I believe it is obsidian not flint

 

[A2coins]

Great ID