National security fountain pen made in England during the 1940s possibly WWII years.End of barrel button filling method, a new rubber ink sac has been fitted. Gold plated teardrop design pocket clip. Coloured in mottled blue green marble patches interlaced with black. The manufacturers wording NATIONAL SECURITY with the Lion and Pen emblem is clearly engraved on the pens barrel. Overall length 11.8 centimetres. The 14 carat gold nib is a warranted medium point size in excellent condition.