Unidentified Stamp

Unidentified Stamp
On a chevron between in chief two lions combattant and in base a garb three annulets
Crest: Out of a ducal coronet a griffin’s head erased holding a broken arrow point downwards
Motto: Spes mea in Deo
Dimensions (height x width): 128mm x 64mm
Heraldic Charges: annulets (3)arrowchevron, on a, betweencoronet, ducal, out of agarbgriffin's headlions rampant combatant (2)