25 auto


#1

I have two 25 auto cartridges that I’m not sure of what country they came from, so I need some help. Both of them have Quadrant marks
#1 H * * *
#2 looks like a Z * * 6.35
Thank You Carolyn


#2

Your “H” round was made by Hirtenberger, Pre-WWII, and your “Z” round was made by Zbrojovka Brno A.S., probably at the Bystrica factory, in Czechoslovakia.