Commemorative Series, circa 4th-5th century. Half Siliqua (Silver, 14 mm, 1.43 g, 12 h), Constantinopolis. Draped bust of Constantinopolis (or Roma?) to left, wearing crested Attic helmet and pearl necklace; all within pelleted circle. Rev. Large K within pelleted circle. Bendall, Anonymous silver, RN 158 (2002), Type 1. Cohen VII, -. Ramskold, Coins and medallions (2011), p. 146, fig. 13B (this coin). RIC -. RSC - . Extremely rare and beautifully toned. Minor die rust and with a scrape on the obverse, otherwise, about extremely fine.