Possible answer is the flower marking, as many collectors believe the piece was not accepted into service or were reworked probably by Mundlos, that would be a explanation why is there a WaA219 on ball finial, anyway without seeing the details of pommel WaA area and details of bard area is hard say any opinions. Same as the grips should be dissambled and inspected for marking. The flower stamp should be on crossguard too.
