It is very rare. It is by Schneider and is called the Zenzanon-PE Super Angulon 55mm f4.5 PCS. It is a tilt-shift lens.
A few specs: f/4.5-32. Equivalent to 34mm in 135 format. 64 degree angle of view. Focuses to .5 meter. 104mm filter thread. 1650 grams weight. Floating element design.