Ross Binocular Gunsight, World War 2, Pattern G372, 3.5x magnification
£300
A World War 2 era binocular gunsight by Ross of London, Pattern G372F, 3½x magnification, with fixed focal length, light filters, adjustable eye separation. 25cm (10") long and heavily engineered weighing in at a hefty 5.1kg (11.2lbs).