Refusal to produce License.

20. If any such Hawker or Pedlar having obtained such License or Licenses as aforesaid shall at any time on demand thereof being made of him by any Justice of the Peace or Constable or by any person to whom he shall within twenty-four hours previously have sold or offered to sell any goods neglect or refuse to produce and show to such Justice of the Peace Constable or other person his said License he shall forfeit and pay on conviction for every such offence such sum not exceeding ten pounds as to the convicting Justices shall seem meet.