WW1 Brownlee & Co Ltd Scottish timber merchants on war service badge

A good original First World War period 'Brownlee & Company Limited On Government Work 1915 war workers brass badge; the reverse impressed with registration, design and patent number 'Rd 646227' for the year 1915. Good condition, complete with unusual buttonhole fitting, minor service wear.Height 30mm.'Brownlee & Company Limited' City Saw Mills, Post Dundas, Glasgow, Scotland.