3 3/8" X 4 5/8"(86mm X 117mm)

(front skirt) Ц.B.-П.К.1916

(rear skirt) П.O.                 

Picture courtesy Tom Katonak

3 3/8" X 4 5/8"(86mm X 117mm)

(front skirt) Ц.B.-П.К.1916               

(rear skirt) ПТР.СТ.ПРШ.АКЦ.ОBO

Picture courtesy Bob Berry

3 3/8" X 4 5/8"(86mm X 117mm)

(front skirt) П.O.  

Picture courtesy Don Mecklenborg

Close-up of embossing