Transition between the Mark VI and the Super Action 80, the Mark VII was  marketed for 4 years. It offers a powerful sound, particularly rich in  high harmonics, corresponding to the needs of the time and the advent of rock and pop music. Douglas Pipher tells us more about the production  of this instrument.

 "For the past 30 or 40 years, serial number charts that have been published tend to list the Mark VII as starting at 231,000 serial number. This is incorrect but there's a rational explanation as to why it happened..."

 
Full video on https://www.selmer.fr/en/beyond-the-sound/category/brand/history-notes-mark-vii