Any person, corporation or partnership which engages in the business of a pawnbroker, unless licensed according to law, or after notice that its license has been revoked, or which violates any of the provisions of this chapter, or neglects to keep a book in the English language or to make the entries therein as provided by law, or refuses to allow the same to be inspected by the proper officers, or receives an article of personal property by way of pawn or pledge from any minor, knowing or having reason to believe him to be a minor, shall be fined not more than $50 for the first offense and not more than $100 for the second offense and, for the third offense, shall be fined not more than $500 or imprisoned not more than six months, or both, and also shall forfeit treble the amount loaned on the property so pledged to any person injured thereby who sues therefor.