Labour Political Party supporters enamel tie bar badge

A very unusual circa 1960's period 'Labour Party supporters tie bar badge'; small recatangular gilt metal badge mounted on a tie bar, inlaid with red vitreous enamel displaying a 'Flaming Torch of Knowledge', crossed quill and shovel logo above 'Labour Party' title. Very good condition, complete with original sprung clip fitting, no damage to the enamel.Size approx 59 x 16mm.