I have a Schneider Kreuznach Super Angulon 6,8/90 in Cambo Wide DS mount complete with rear spacer in excellent condition.
"The WDS-569 has a Schneider Super Angulon 6,8/90 XL in Copal 0 shutter mounted in a helical focussing mount. This lenspanel is to be mounted to the WDS body in combination with a spacer (included). Shortest focal distance to object: 1,5 mtr"
Maybe you are interested?