Pullman standard safety award winner coffee cups - 1972.  They were given to the employees of the Pullman Standard plant in Butler Pennsylvania as stated each cup.  They are new, never used.  It is very rare to find the complete set of six of these milk glass cups.  The butler plant closed down a few years later.  Other sellers are asking $35 to $189 foe a single cup.  There is absolutely nothing wrong with this set, feel safe to purchase