"The Office Building of the Cimarron Electric Co Op, Oklahoma's first Project, Serving more than 4200 Farm and Rural Customers in Nine Counties on 2200 Miles of Line, Est in 1936, Valued and 2.5 Million and its the largest in Oklahoma, " MWM Color Litho, No. 10561 Card is Not Used Or Postmarked, Some Slight Wear, Overall Good Condition! lt