Posted By:
Scot Reader
Alan,
I'm very impressed with your extant collection and your proposed undertaking. I wonder if all of the difficult T207 subjects are in fact available with all of the difficult backs (Broadleaf, Cycle, Both Anon). In T206 many subjects that are theoretically possible with a particular back are not possible with that back in fact. By undertaking this considerable challenge you are also doing us all a favor by researching this question. Best of luck, and please report your progress to the board.
Scot