What is my XYZ worth? How much is THIS worth? Value my...

Is that stem ti?

Relevant question. I have no idea..

I'm no expert but this looks bit like an older Merlin Extralight CX frame, the welds at the dropouts, the rear brake brigde and the seatbolt. Google for images to compare.

I see what you mean and you might well be right. Shot an email of to Mr Kellog who would have been the designer if this is the case.

EDIT: Tom Kellog answered, not a Merlin.