From a search for "acius mac": https://en.wikipedia.org/wiki/4th_Dimension_(software) https://en.wikipedia.org/wiki/4th_Dimension_(software) Software outfit fo

From a search for "acius mac": https://en.wikipedia.org/wiki/4th_Dimension_(software) https://en.wikipedia.org/wiki/4th_Dimension_(software) Software outfit founded by a French guy, as hinted by the drawing with Paris visible ... (Those "view from ..." were plentiful at the time)