Beistegui Hermanos
This 6.35mm or 7.65mm Eibar-type gun (virtually identical with the Bullmark) was made and sold by Beistegui Hermanos, but can also be found with the GRANDE PRECISION title and PATENT DEPOSE N° 69024.
No trace of this patent as yet be found.
Extract to “Der Neue Stöckel”
