Watch List notes:

Stone cannonball from the Siege of Sluis (1587). 1760 grams, 9" diameter. Found by commercial fishermen dragging the seabed near Sluis, Belgium, a strategic deep-water port throughout the Anglo-Spanish War (1585-1604), intact condition with numerous signs of underwater immersion, surface imperfections and encrustations. With photo-certificate. ($500-750)