Belgian Stamp Proof Mark Lion PT

A Belgian Proofing Mark applied to a weapon confirming the successful completion of Trials involving the firing of cartridges with a force greater than standard bullets. It varies depending on the powder used in the test (black or smokeless, otherwise known as nitro) and the type of weapon on which it was applied.

Used in Liege from 1898 to 1968.

Acknowledgment Type: PT Acknowledgment. for smokeless powder rifles.