A rare Holland & Holland 12-bore 1911 patent ‘DUPLEX’ choke boxlock ejector ‘Aero’ gun goes under the hammer at Holt’s with, even more rarely,  an original ‘Zeppelin’ cartridge. Designed for maximun impact on the fabric of a Zeppelin the brass-cased cartridge houses a string of shot on wire.

Those interested in the ‘pretty pretty’ could well have their heads turned by lot 1225, formerly the property of King Alfonso XII of Spain. Described as ‘respendant’  the cased presentation 12-bore sidelever bar-in-wood hammer rifle and shotgun garniture are certainly lovely and estimated to fetch £15,000 – £20,000.

There is something to delight sportsman and collector alike in this sale, which opens at 10am on 19 June at Princes Louise House, Hammersmith W6 7DJ.