United Kingdom. A Rare Royal Naval Air Service (Rnas) Officer's Visor Cap, C.1915 Hold with “FF” inscribed in the

with “FF” inscribed in the centre

) Naming is officially engraved in italic capitals

the obverse is inscribed “Winterschlacht im Osten 1941/42” (“Winter Battle in the East 1941/42”) with crossed sword and oak leaf branch at the bottom

the reverse with an Austrian Imperial eagle

white and blue inks with the Civil Defense insignia on the front panel

United Kingdom. A Rare Royal Naval Air Service (Rnas) Officer's Visor Cap, C.1915 Hold with “FF” inscribed in theFabricated from a black wool on the exterior, featuring the classic high peak, the upper edge trimmed in black wool covered piping. It has a 38 mm wide band in black wool displaying a repeating thatched look pattern around its circumference. There is a 73 mm (w) x 63. 5 mm (h) Royal Naval Air Service officer's cap badge on the front, with a silvered eagle in the centre, surmounted by the George V crown in silvered and gold coloured bullion wire, in