4 3/8" X 3 1/2" (111mm X 89mm)

(front skirt) FIDENZA   

(rear skirt) 6123             

Picture courtesy Don Mecklenborg

 4 3/8" X 3 3/4" (110mm X 95mm)

(front skirt) FIDENZA 

(rear skirt) 6123           

Picture courtesy Dave Dangora

4 3/8" X 3 1/2" (111mm X 89mm)

(front skirt) MIVA

(rear skirt) T1        

Picture courtesy Bob Berry

4 3/8" X 3 1/2" (111mm X 89mm)

(front skirt) MIVA   

(rear skirt) BT1 CA

Picture courtesy Don Mecklenborg