A splendid Alexandrian Tetradrachm of Gordian III (Emperor, 238-244 AD), notable for its rarity, important pedigree, and being illustrated in important reference volumes.
Full writeup & video of this coin available here.
Roman Provincial. Gordian III (238-244). Billon Tetradrachm (23mm., 12.35g, 12h). Struck in Egypt, Alexandria, 243-4 AD.
Obverse: Α Κ Μ ΑΝΤ ΓΟΡΔΙΑΝΟϹ ƐΥ (see Numis. Notes below). Laureate, draped & cuirassed bust of Gordian right, seen from behind.
Reverse: Bust of Helios facing right, radiate & draped, seen from behind. In fields, L-Z (Regnal Year 7).
References: Dattari 4731 (this coin, not illustrated); Dattari-Savio plate 252, 4731 (this coin illustrated); RPC VII.2 (in press) 3669.9 (this coin illustrated); RPC Online Temp. 3037 (this coin illustrated, #11417); Milne 3466; BMC Alexandria 1859; Emmett 3407; K & G 72.137.
Pedigree: Ex-Naville Numismatics (London) Auction 60, #308; from the Dattari collection, formed before 1901.