Western Federation of Miners Membership Book, 1912.

The Western Federation of Miners was one of the founding bodies of the Industrial Workers of the World (IWW).  This membership book was issued by Butte Miners Union No.1.  Its hard red covers are gold-stamped front and back with a facsimile signature of IWW leader Charles Moyer and the slogan, “Labor produces all wealth.  Wealth belongs to the producer thereof.”