SECTION 95.
Section 20 of said chapter 90, as so appearing, is hereby amended by striking out, in lines 10 and 11, the words "of not less than $100 nor more than $1,000" and inserting in place thereof the following:- by a fine of not more than $500 for a first offense, by a fine of not less than $500 nor more than $1,000, for a second offense and by a fine of not less than $1,000 nor more than $2,000, for any subsequent offense.