Large size Clay Regazzoni 1975 Postcard - AREXONS !!
This the large size 9.5" x 7" postcard from 1975 BUT this is the RARE Arexons version.
There are 2 versions of this card, this one - with Arexons on the back - and one with the same back as the Lauda card also listed with "Agip, Goodyear, Magnetti Marelli" on the back.