Civil War Period Musket Ball Collection Circa 17th century A.D. A mixed group of over 60 Civil War period lead musket balls. 937 grams total, 10-31 mm (1/4 - 1 1/4 in.). Found near Cotham, Newark, UK, by Ken Burrell whilst searching with a metal detector 2016-2018. Accompanied by multiple corresponding British Museum's Portable Antiquities Scheme (PAS) record numbers. [65, No Reserve]