Commemorative Series, circa 330-340 (?). 1/3 Siliqua (Silver, 18 mm, 0.89 g, 12 h), Constantinopolis. Draped bust of Roma to right, wearing crested Attic helmet and pearl necklace; all within pelleted circle. Rev. Large P within pelleted circle. Bendall, Anonymous silver, RN 158 (2002), Type 2 var. Cohen VII, p. 327, 3. Ramskold, Coins and medallions (2011), p. 143, fig. 10A-C var. RIC -. RSC -. Lightly toned. Minor marks, otherwise, very fine.
From the collection of Dr. L. Ramskold, formed since 1969.
This example slightly differs in style from the ones dated to 330 and was possibly struck a bit later.