Yeah. I just tried to find one of my favorites. It shows a pale woman dressed in flowing white, tenderly clutching an infant to her breast. They are drowned, in black water...
The poster you are talking about (I believe), is from WWI...sinking of the Lusitania. Here:
http://www.rainfall.com/posters/WWI/198.htm
Oh, and it's worth about $50,000.