Sarge, look on page 451 of WHB Smiths Small Arm of the world, 7th edition, revised. There are pics of Machine Pistol 43, 43/1, 44 and Stg 44.

You're more correct with your nomenclature than I am. I apologise.

There were quite a few of those floating around Africa at one time. Stg (Stermgewher) 43 was the common name for them. My Bad.