film prop but what was it before?

[Gil Boyd]

Knowing where it was when you got it, I would have to go with the tooth pick for the Lorenz rifle which was imported into the States during the Civil War by both the North and South in hundreds of thousands of rifles coming only second to the Parker Hale Enfield Musket in .577, so in short, the numbering fits also with Belgium and also the crown IMHO.
Over to the experts!