The bill clips each are inscribed "Burlington Route" and come with instruction folder plus envelope inscribed "Way Of The Zephyrs." Minor age on the envelope. The 22 key chains range from 1.25" to 4". Some of these are metal fobs while others include a chain or metal band to hold keys. One item is celluloid while several are plastic and others are primarily brass. Rail lines represented include: M.C.R.R./Chicago Outer Belt/Illinois Central/Cotton Belt/B Of RT/Rock Island/Burlington Northern (2)/Penn Central (3)/Southern Railway and several others. Small bit of luster wear on a couple of the brass pieces but vast majority are Exc. to Mint. Items range from approximately 1930s into 1980s. A lifetime collection.