MK 6 helmet, UK issued Helmet to solider, about $300~$400 in 2nd hand market in Hong Kong, $600 in HK shop
PARA helmet, issued to British Para(傘兵), about $2000 in ebby include shipping, very difficult to find in local shop
RE helmet, RE stand for "Royal Engineer" issued to RE, price.......unknow...
And there are some other helmet, like the helmet for SAS(AC100????I don't know), usually over $1500, etc.
