Brass Pass, face inscribed SIR JJ Ltd WAR DEPt Workmens Train number 1972 , The obverse shows SALISBURY to CODFORD or HEYTESBURY. Sir John Jackson was a leading civil engineer and his company was awarded the War Department Contract for the building of Great War army training camps north-west of Salisbury in 1914 and 1915. He employed thousands of workers, mainly from Salisbury, who were issued these passes. Measures 2in diameter.