HOLLAND & HOLLAND .700 NITRO EXPRESS - This ultimate elephant gun is just one of the many exquisite double guns in the Robert E. Petersen Gallery of the National Firearms Museum, www.nramuseum.com... To be featured in the upcoming book, Treasures of the National Firearms Museum (2013) - Rgrips.com
4 gauge, .700 Nitro Express, .470 Nitro Express, .375 Holland & Holland Magnum and a .500 Smith & Wesson Magnum.
H&H 10g Paradox-3720         Call= .700 Nitro Express Manufactured by the Belgian company FN Herstal (FN).
700 Nitro express double rifle with dinosaur themed engraving (another shot with ammo) [600 x 400]
The National Firearms Museum: Holland & Holland Double Rifle - .577 Nitro Express cal.
.700 Nitro Express, for when scientists bring back T-Rex.
700 nitro express
.50 BMG, .700 Nitro Express, .577 Nitro Express, .470 Nitro Express, .460 G, .416 Rigby, .375 Holland  Holland Ackley Improved and 5mm Remington Rimfire Magnum.
.700 Nitro Express unbelievable
Nowadays Holland and Holland are famous for their double rifles chambered for the 700 Nitro Express. Description from revivaler.com. I searched for this on bing.com/images