This is a c1950s vintage English made Parker Duofold deep Burgundy coloured button filler(brass)fountain pen.It has a 14carat gold Parker Duofold N for Newhaven made nib which is in an excellent condition as is the pen but it is sold as unworking so it would need a service to make it work and it’s measurements are 13.1cm long x 1.3cm in diameter.
eBay