Just stumbled on this quite by accident:http://classicrendezvous.com/British_is ... gistry.htm
After Harry Quinn retired some time around the 80's, some Falcon/Townsends were badged as Harry Quinns with the serial no sequence: 'M-number-letter-5numbers'.
Seems fairly close.
Still no closer on mine though... Anyone know any names of small frame builders in Lancs c.1990 other than Terry Dolan or Keith Coppell?
Many thanks, checked the photos and it's either a Harry Quinn rebadge or a Falcon, both the same bike