Trap door gauge 12
It is quite simply about a cannon warning signal or trap of door.
A string was connected to one of the bored ends of brass star and the other end connected to a door for example.
By opening the door the tended string started the percussion.
Other uses could also be imagined (protection of the hen houses against foxes etc)
The single goal of this part was to make noise because the cartridges were to blank!!
Nevertheless this part made in Liege obviously carries the punches of the proofhouse of Liege, namely:
ELG on star in an oval under crown: final acceptance of the test, post 1893.
12 inside a Greek letter “omega”: gauge nominal, of use of 1924 to our days.
I could not identify the 3rd mark which is not visible enough.
620 is probably a serial number.
It is not thus a question of a weapon although a cartridge of gauge 12 can be drawn. This use is to be strongly misadvised!
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