The silver is hallmarked for Birmingham with a date letter for 1925 and the makers mark of WJC, Walter James Carroll. It is engraved on the back 50 Mile Road Championship 28. This has a garland of acanthus leaves around its outer.It measures 37 millimetres including the loop. A nice piece for anyone interested in the Civil Service. This is a fabulous piece of cycling / sports memorabilia. Please see my other Silver Fobs including Cycling medals and other Enamel Badges. Please see above for condition.