Spanish Stamp Proof Mark Crown and crossed rifles on shield

A Spanish 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 Eibar since 1929.

Type of Confirmation: Proof Mark applied to weapons with old markings when returned to the Assay House.