Named for Colonel William Moultrie, this flag flew over Sullivan Island in Charleston Harbor during the battle on June 28, 1776. Buy authentic Fort Moultrie Flags. Our historical flags are unsurpassed in quality and authenticity. This Fort Moultrie flag has 2 brass grommets on the left used for hanging. Made from durable nylon material. NOTE:The 4”x6” size is mounted to a 10” staff with a spear top.