Rare gun proofmarks

It’s always good to know the proofmarks for different standards :)

gun proofmarks

1 – Idnicates admission to ( receipt at ) proof house. Used after 9 July 1931

2 – Proof of test – automatic pistol from Eibar proof house. Used after 1929

3 – Indicates year of proof. Date is 1946

4 – Acceptance bu military inspectors from Spanish service