“ A coal jobber is defined as a person (or other agency) who purchases and resells coal to coal dealers or to consumers without physically handling it on, over, or through his own vehicle, dock, trestle, or yard. For the buying and selling of bituminous coal a jobber shall not add to his purchase price a gross margin in excess of 15 cents per ton of 2,000 pounds, nor shall the combined gross margins of any number of jobbers who buy and sell a given shipment or shipments of bituminous coal exceed 15 cents per ton of 2,000 pounds. ”

“ White ash anthracite coal of the grade that between January 1, 1915, and January 1, 1917, was uniformly sold and recognized in the coal trade as coal of White ash grade; Red ash anthracite coal of the grade that between January 1, 1915, and January 1, 1917, was uniformly sold and recognized in the trade as coal of Red ash grade ”