Darne 12Gauge R15 side by side with 2 barrels

Darne side by side with 2 sets of barrels. Highly unusual sliding breech shotgun made in France circa 1960. This gun is cased in a leather covered antique mahogany gun case.
Barrels are 24 1/2inch and 27 1/2 inch.With short barrels the gun weighs only 5 1/2 Lbs !

Open Season is selling this gun by consignment on behalf of a customer. Please phone is on 06731774