Girl Guides Land Ranger red enamel BP warrant badge

A scarce original pre 1968 'Land Ranger Guider warrant badge', gilt brass with red translucent enamel knotted edge surround, the centre displaying 'BP' with small trefoil between the letters; the reverse impressed with 'Rd No.668016' a Registered Design and Patent year of 1919. Very good condition, complete with original pin fittings, no damage to the enamel, gilt finish remains bright. Height 19mm.