Constantinople Silver coin of Helena GEM $1,136.00 (reserve not met) Mar-19-03 Constantinople Silver coin of Helena RARE GEM Constantinople dedicated in AD 330 issued many ROMA and CONSTANTINOPOLIS coins. This small AE 4's portrait is thought to be Helena. The 'K' is for Constantinople. Obv: no legend - Pearl diademed bust right, draped and wearing necklace. Rev: K - with beaded edge. Constantinople mint: AD 330 = Vagi CHRE Vol. II (1999), #3052, page 531 (XF $1,000) - Not listed in RIC. 0.99 g.