National Union of Railwaymen NUR 30 year membership silver badge 1961

A good original 'National Union of Railwaymen Long Service N.U.R. badge'; inverted triangle depicting clasped hands superimposed on railway lines, the title surround inlaid with red enamel, surmounted by '30 Membership Years' in blue; the reverse bearing Birmingham silver hallmarks for 1961 and maker's details 'J T & Co' (John Taylor & Co. London). Very good condition, complete with original buttonhole fitting, no damage to the enamel. Height 25mm.