WW1 National Reserve County of Salop Shropshire home front badge

A scarce original First World War period 'National Reserve County of Salop badge', small pattern blue enamel gilt oval title, Crown to voided centre, the reverse impressed with maker's details 'J.R.Gaunt London'. Very good condition, complete with original buttonhole fitting, enamel intact minimal service wear, gilt finish remains bright. Height 28mm.