6.  A Justice of the Peace, if satisfied by sworn information in writing that there is good cause to believe that any coin which has been imported, or is in the act of being imported or exported, in contravention of any such order, is likely to be found in any place to the nominal value of $50 or upwards, may by warrant under his hand direct any police officer, named or specified therein, to enter such place and search the same and seize all coin or coins found therein, the import or export of which is for the time being prohibited, and detain the same pending adjudication.