Hi, Jim and all,
I have a lugless frame with 71 Tour of Britain seal on it, but S/N is 8629, which you can see Dale's C-R site. Looking from all points how it is built, it seems early to mid 70's.
The year 1986 was out of my question, but I could be wrong????
KEN TODA, High Point, NC, beautiful Haloween evening!