Butlins Holiday Camp Blue Inverted Triangle Numbered Staff Badge

A rare original 'Butlin's holiday camp staff badge' possibly from Blackpool; gilt brass inverted triangle inlaid with blue enamel, inscribed 'BUTlIN'S STAFF', the reverse impressed with maker's details 'J.R.Gaunt London' and official number '2997'. Very good condition, complete with original pin fittings, no stress marks or damage to the enamel, gilt finish remains bright.Height approx 23mm.