There was rampant inflation through The Great War and into the early 1920s. The A.H. Fox Gun Co.'s Sterlingworth was introduced in 1910 at $25.00 and stayed that through 1915. In 1916 it went up to $30 and 1917 $37.50. By 1919 it was $47.75, and on December 1, 1919, went up to $55.