SN: 68509. Cal. 9mm. 32 round drum with first type telescoping winding mechanism on bottom. Imperial proof on mag body below follower. "B/N" marked on top and bottom of sheet metal drum. Also matching SN 68509 on drum top and bottom. Outer edge of drum bottom marked "12, 17, 22, 27, and 32" to indicated capacity SIZE: PROVENANCE: The Friedrich-Wilhelm Dauphin Collection, Germany. CONDITION: Excellent, retaining 90% orig blue with scattered areas of light pitting, no major dings or dents. Mechanics are fine. 49829-202 BWS (1,200-2,000)