4,5x9,1 R CF

Hello,
Interesting reduced (gallery, short range) round from Hungary which center fire. The manufacturer is Vadásztöltény- Gyutacs- és Fémárugyár Részvénytársaság, Budapest.
Measurements:
G1-4,6 mm
R1-6,1 mm
L3-9,2 mm
4%2C5x9%20R 4%2C5x9%20R%20dno

we had already discussed this 2 times…
Here the second thread: 4.5mm auxillary cartidge
It shows boxes and instruction leaflet, for which gun a.s.o. (its from about 1948)

PP

Forensic,
Thank you. I searched for 4.5x9 R.