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A lead cartridge box plate believed to have been lost by a member of the Portsmouth Light Artillery while fighting from Craney Island to repel a British amphibious raid in 1813. Each soldier had a leather box attached to a strap slung over his left shoulder to carry his musket cartridges (bullets). Most military units of the period decorated the flaps of these boxes with metal plates bearing the unit number or some other type of symbolic representation of their unit. This piece, found in the 1950s, has two cannon tubes, indicating it was worn by an artilleryman. Courtesy Portsmouth Naval Museum