They look like lead splatter created when you over pour lead into a bullet mold. Depending on your over pour you can different patterns and sizes of lead splatter. John Mark Joseph In a message dated 2/8/2012 5:13:14 P.M. Eastern Standard Time, [log in to unmask] writes: http://www.flickr.com/photos/76291042@N08/6843318859/in/photostream