Watch List notes:

Constantine II, as Caesar, AR Siliqua. Constantinople, AD 337. Diademed head right / CONSTANTINVS CAESAR, Victory advancing to left, holding wreath and palm-branch; C•Є in exergue. RIC 136, cf. p. 719 note; C. 76. 3.22g, 20mm, 6h.

Near Mint State; minor flan crack at 5h obv. Extremely Rare; no other examples on CoinArchives.

From the Z.P. Collection, Austria;
Ex Numismatica Ars Classica, Auction 64, 17 May 2012, lot 1314 (hammer: CHF 1,500).