Pipe maker (TW) information?

A friend recently lent me a D practise set that needs a small bit of work. It has a boxwood chanter stamped with the initials TW within a small circle. He bought the set in County Leitrim about ten years ago. Can anyone give me the name of the maker? Thanks,
David

Hi David,
Check your pm

Got it, thanks.

…and so the answer is???