3 3/8" X 5 3/4" (83mm X 146mm)

(skirt) 

          0957

{Swiss Langenthal}

Picture courtesy Bob Berry

3 1/4" X 5 7/8" (80mm X 149mm)

(skirt) 

          5100

{Swiss Langenthal}

Picture courtesy Bob Berry

3 1/2" X 5 7/8" (88mm X 145mm)

(skirt) 

          5957

{Swiss Langenthal}

Picture courtesy Bob Berry