The following goods may by proclamation or Order in Council be prohibited either to be exported or carried coastwise :—Arms, ammunition, and gunpowder, military and naval stores, and any articles which Her Majesty shall judge capable of being converted into or made useful in increasing the quantity of military or naval stores, provisions, or any sort of victual which may be used as food for man; and if any goods so prohibited shall be exported or brought to any quay or other place to be shipped for exportation from the United Kingdom or carried coastwise, or be waterborne to be so exported or carried, they shall be forfeited, and the exporter or his agent or the shipper of any such goods shall be liable to the penalty of one hundred pounds.