Selmer Paris · Sax
Super Balanced Action — Super (Balanced) Action
Introduced1948 onwards
Discontinued1953
Predecessor of the Mark VI; serial 53,727 (March 1954) was the first Mark VI shipped, but the run overlapped with Super Actions.
Where it sits. Introduced 1948, discontinued 1953. To date a specific Selmer Paris instrument, use the serial number — the model era is the context, the number is the date.