With that bounty, who needs friggin’ drones any way? 
Sold for £1,360.00 to ebay user ‘missmarplehaus’ with a total of 21 bids.
Mystery maker found - set is shown on his website - Bagpipeworld
Have spoken to Chris and the set dates from 1979 and was part of a special one off order for Hobgoblin Music who had just lost their regular suppliers Wilkinson and McCarthy. They wanted everything as cheap as possible so the full set has folded keys just like the chanter and drone slides are just plain tube without wooden lining.
Barrel style drones are standard on his Taylor style and Budget sets
If you are trying to contact him it might be best to phone as his computer is down and he is having to use the local library to check e-mails