Joe contact Bert Schrager, Harvey Martin did some similar modifications on some of his later model cues. This was done so that the balance point could be moved to the front or the rear by the player.
I may be way off base, I know it doesn't look like a Martin but who knows.
Do you have a working ouija board so I can talk to Bert?
Yeah who knows. I think it was probably a "prototype" that got loose.
I would love to match up the "hallmarks".. pin in shaft, that flaired cap, style of inlays.. gotta be another one floating around somewhere...
JV