Will’s cigarette card from the First World War. The reverse reads: ‘As in peace time, the flag of Britain’s mercantile marine flies over two-thirds of the shipping which plies the ocean. Ship after ship is coming over the seas, bringing food and raw materials…’ © Mark Dunkley.
One hundred years ago today on 1 February 1917, Germany resumed its policy of ‘unrestricted submarine warfare.’ The seas around the British Isles were declared a war zone in which fishing vessels …
Source: Britain on the Brink of Starvation: Unrestricted Submarine Warfare | Heritage Calling
First Night History 
A very interesting episode in the history of naval warfare. And I love the cigarette card too!
Best wishes, Pete.
LikeLiked by 1 person