IMP XXXXII COS XVII P P (type I, B) (441 / 450)

Bust of Theodosius II facing, cuirassed, wearing a helmet with crest and a pearl diadem. Holding a spear passing behind his head with the right hand and a decorated shield with a horseman slaying an enemy, with the left hand.

Constantinople seated left on a throne, holding a spear with the left hand and a globe surmounted by a cross with the right hand. A shield behind the throne and a star in the field to the left.

Photo of a coin sold on 15 December 2022 by Roma Numismatics Limited, E-Sale 104, lot 1592, link to the sale: https://www.acsearch.info/search.html?id=10346135, link to their website: https://www.romanumismatics.com/. Provenance noted by the auction house: Mare Nostrum Hoard (A hoard of unknown origin where all the coins appear to have been found underwater, given the traces of marine organisms present on the coins) See: https://issuu.com/roma_numismatics/docs/xxiii_web_full/448?ff, page 437. 

Coin with mark COHOB. 

Type I: with mark CONOB or COMOB (CONOB here) and the reverse legend usually ending before the shield. No punctuation on legend either side. A square throne, the right leg as a triangular protuberance, stiff drapery and vertical scepter. This corresponds to type III of RIC X. Var A is the same as RIC X: elongated and long shield.