No.1 Overseas Railway Construction Corps Pin

No.1 Overseas Railway Construction Corps Pin - Sterling silver and enamels, maker marked "SSR", marked "SS" and "STERLING SILVER" on the reverse, 27.3 mm x 31.3 mm, horizontal pinback, intact enamels, extremely fine. Footnote: In May 1916, the Overseas Railway Construction Corps and four independent companies (the 13th Light Railway Operating Company, the 58th Broad Gauge Operating Company, the 69th Wagon Erecting Company and the 85th Engine Crew Company) joined the 13th Battalion serving out of the headquarters of the Canadian Railway Troops. The new body was called the Corps of Canadian Railway Troops.