Had an interesting discussion with Richard the other day. He mentioned I may have one of the oldest serial numbered Mach II RS's that he has come accross. The serial number on my RS is 23L00059. According to the number breakdown 23= Mach II RS/SS L= December and the last 5 digets represent the manufacturing number in sequence. If this all true would you folks be willing to let me know the last digets of your RS/SS to possibly verify this information?