British Bobby Police Helmet Rose Top and Hertfordshire Constabulary Plate Hand Select:No The Russians invaded Finland in

The Russians invaded Finland in 1939 driving deep into the country

1935 and it was intended to replace all other helmets in service

The production run number is sometimes referred to as a "lot number" or more specifically a "serial number

The Mk 6 replaced the Mk III helmet in service from 1986 and is designed to accept modern ear protection

British Bobby Police Helmet Rose Top and Hertfordshire Constabulary Plate Hand Select:No The Russians invaded Finland inOriginal Item: Mostly manufactured by Hobson and Sons these were made surplus by the Hertfordshire constabulary as a different model Bobby Helmet was adopted. These helmets, in near excellent condition, come complete with chin strap and have a helmet plate (badge) with the E. R. II cypher to center and Hertfordshire Constabulary in surrounding ribbon amid star burst and Royal Crown to top. The Rose Top model is the earliest of current models in use