Some new folks like me (I've only been on the forums since 2017) have only just read these threads.This an 8-yr old thread, and this was answered pretty much immediately back then.
You made me go back abd look at my notes. Since my head injury 7 years ago I jumble a lot of things up. Names are the toughest thing. Concepts are intact. Same for my professional work, but thankfully that relies more on conceptual modeling than remembering the name of a thing or person.ADAM-Japan makes more than just Musashi. The Kenbu line( as well as the Hayakawa line) is Japanese too and super nice: https://adam-ny.com/product/kenbu/ This outfit in NYC is the official dealer in the US for Japan ADAM stuff.
As I remember it, Janes refused to further replicate the exact cue, so all those available on the market have those inlays that were not on the movie cues.More than 2 and less than 6 were made. Cruise and Newman were given one as well as certain production staff members. IIRC Newman's was sold at a charity auction. No clue about the others.