MK IV B flight goggles. Metal frame. 70% original colour. Sun visor missing. Thick brown leather and chamois lining. Four leather pads ensure comfort when wearing the glasses. White bevelled lenses with traces of moisture. The side elastics are very flexible. Brown leather strap. Markings AM under crown, REF N 22C/167 mark IV B. Some wear and patina. Condition II+. RAF Mk IVB flying goggles. Metal frame with original finish preserved to about 70%. Sun visor absent. Thick brown leather and chamois lining with four leather comfort pads. Clear bevelled lenses showing humidity traces. Side elastics remain very supple, brown leather strap present. Marked AM under crown, Ref No. 22C/167 Mark IVB. Moderate wear and patina. Condition II+.