There is a whistle that is made by D&M ( DRAPER MAYNARD) Lucky Dog sporting goods trade mark.Plus a round Employee Tag number 0038. It is stamped LNERR but the tag says one side Lehigh Navagation Coal Company and on the flip side is says " Loss of this check should be reported to your Foremen Immediately. A charge of fifty cents will be made if lost or not returned or leaving the service of the company"