Section 243. Paper bags or sacks used or intended to be used in the sale of coke, charcoal or kindling wood by measure shall be not less than twenty-five inches in height, not less than thirteen and one half inches in width, and the bottoms shall not be less than four and three quarters inches wide. They shall be filled to a point not more than six inches from the upper end. Bags of unpacked kindling wood or of coke or charcoal sold or offered for sale by measure shall contain, and shall be sold as containing, one half bushel, Massachusetts standard dry measure. Bags and sacks shall be plainly marked with the name and business address of the person putting up the same, and the words ''one half bushel'' in bold, uncondensed, capital letters at least one inch in height. Whoever himself or by his servant or agent or as the servant or agent of another sells or offers for sale a paper bag or sack to be used in the sale of coke, charcoal or kindling wood by measure which does not conform in every particular to the requirements of this section shall be punished by a fine of not more than one hundred dollars.