original "news old stock" c. 1920's american vintage industrial cast iron valve stem bonnet salvaged from the boylston factory located in chicago, il. the uniquely shaped tapered valve component can be used as table centerpieces, lamp bases, bookends, coin change or business card trays, etc. the steam valve bonnet was designed and fabricated by the boylston steam specialties co., chicago, il. contains a brushed metal finish treated with a clear coat lacquer. measures 8 x 8 inches.