I'd found it anyway and noticed that the Generations didn't get too good a write up but on the other hand I saw that Mary Bergin played one on her "feadoga stain" 1&2. I only have the second of these but I reckon the whistle sounds superb on it.
I seem to be doing a lot of wandering off at tangents at the moment but here's a little tale. A few years ago in the Llandudno Folk Club, one of the organisers came to me saying that she had just had a phone call from somebody called Mary Bergin who was looking for a folk club booking before she caught the Holyhead ferry to Ireland and and this organiser asked me if I had ever heard of her.
I told the organiser that she was the finest whistle players that I'd heard of and the resonse was "Oh I thought she seemed a bit shocked when I asked her for a demo tape". We didn't get the booking!