Mk2 Head of Rescue Service

Here's another rescue Mk2, this one being head of rescue & with the 2 black bands for rank which came in about 41/42 replacing the diamonds in most area's. It's a standard Mk2, factory finish shiny khaki green paint for home front use then over painted white for someone in charge of ARP service.
Both shell & liner are dated 39 & made by BMB.