Vintage Union Workers I.B. Of T.C.W & H Of A Albany & Vicinity NY Pinback Button. Union emblem for the International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of America. The button is approximately 7/8 inch in diameter. Does display some light rust but is entirely intact. Please see photos for exact condition. If you have any questions please ask prior to bidding. Please check out my other auctions to combine and save on shipping. Happy bidding and good luck!