Cromwell Riot Helmet with Visor

British Army Cromwell Riot Helmet with visor. These were used in Northern Ireland from the mid 1970s until the introduction of the mk6 

this example is in good used condition, with some light corrosion to the fittings. These are getting rare to find with visors

size 1 53-55cm but this seems to fit up to around 58cm

Dated 1981, visor dated 1985