The Triumph of the Epiphone Masterbilt line was a high quality instrument at a reasonable price. The materials and craftmanship rivaled the top of the line instruments. The Triumph was introduced in 1931 and produced until 1955. The 1932 catalog states: catalog 1932 See also Wiedler : Triumph s/n 7039
According to Wiedler Epiphone produced from 1931-’55 over 5000 Triumphs of which now 570 examples have been registered.