No, 4 3 2 1 is the Christmas Tree formation as most notably deployed in this Country by Terry Venables and Christian Gross.
Ancelotti also utilised the formation with the AC Milan side early this Century.
The first recorded use of this formation was by Bert Head the Palace manager in the 70s.
The Christmas Tree term came from Colin Welland in the 90s who was writing for the Observer at the time
The Christmas tree formation is very tenable.