3 1/4" X 4 3/8" (83mm X 111mm)

(front skirt) EIV         

(rear skirt) 26 / DC.3 

Picture courtesy Don Mecklenborg

3 1/4" X 4 3/8" (83mm X 111mm)

(front skirt vertical) SEDIVER

(rear skirt) VDC3                   

Picture courtesy Darryl Wagner

3 1/4" X 4 3/8" (83mm X 111mm)

(front skirt) EIV         

(rear skirt) 04 / DC.3 

{note small top variant}

Picture courtesy Bob Berry