Garand got it - I'll add that the .45ACP is a reload.Thanks for the info M1Garand. Anyone else have an opinion on them?
And BTW - that 8x33 Kurz round is BY FAR the most valuable of your little "collection"....WRT the 8x33mm Kurz cartridge, the "44" is year of manufacture and the "hla" is the maker's assigned ordinance code, in this case "Metallwarenfabrik Treuenbrietzen GmbH, Sebaldushof plant". All German manufacturers of military goods in WW2 were given a three letter code as were factories in occupied countries.
I'm purely guessing but the "St" may indicate "SturmGewer 44", the first "Assault Rifle" and the rifle that the cartridge was to be used in. The "13" I have no clue as to it's meaning.