Three early First World War rail guns.

Top: French 200mm Obusier 'Pérou'
Middle: French 19cm Canon Mle 1870/93
Bottom: British 9.2in Guns Mk I & Mk III

FROM: Osprey Publishing's, 'Railway Guns of World War I'

PRICE: £275.00 (unframed)
SIZE: Image approx. H 40 cm x W 31 cm (H 16 x W 12 inches)
MEDIUM: Watercolour