Posted By:
Scot ReaderMatt,
My e-book has a front/back checklist that updates Bill Heitman's. You can download it at:
http://www.t206museum.com/page/tools.html
Bill Brown, who frequents this board, also has an Excel spreadsheet with all of the front/back combinations. Bill and I have worked together to update it regularly as new information on front/back combinations comes to light. If you search for a thread on the T206 Superset started by Bill a while back you will be able to get Bill's email address.
Scot