ASLEF 20 years service railway trade union badge

A good original 'Associated Society of Locomotive Engineers and Firemen ASLEF 20 years long service badge'; gilt shield inlaid with red enamel, white title surround, the centre bearing old steam engine over clasped hands on blue enamel ground; the reverse embossed with maker's details 'Thomas Fattorini, Regent St. Birmingham' and 'BROTHERS IN UNITY'. Very good condition, complete with original pin fittings, safety roller catch in good working order, no damage to the enamel, an excellent example. Height 25mm.