VTG Christophorus February 1978 Porsche Cars Racing Automobilia Magazine

Christophorus December 1978 Porsche Cars Automobilia Auto Racing Race Magazine

Christophorus October 1980 Porsche Cars Automobiles Racing Magazine

Christophorus June 1981 Porsche Cars Automobiles Racing Magazine

Christophorus 1981 Porsche Cars Car Automobilia Auto Racing Magazine No 154

Christophorus Magazine April 1981 Porsche Racing Automobila Race Cars

VTG Christophorus Feb 1981 Porsche Car Automobilia Racing Auto Magazine

VTG Christophorus 1981 Porsche Cars Car Automobilia Auto Racing Magazine No 155