44 Buzenet

Here is a 44 Buzenet, an unheadstamped dark gray/black plastic French cartridge with a lead bullet. Any idea when these were manufactured?
44%20Buzenet 44%20Buzenet%20hd

Paul

Hi Paul
Brandt #402 says they were for the Colt M-73 and it is a .44-40, also known with a brass colored plastic.
But no date.
A box
Buzenet

Pete,

Thanks for posting the box.

Paul