1) Coin of the Byzantine Empire 2) Silver coin 
The basilikon (βασιλικόν [νόμισμα], `imperial [coin]`), commonly also referred to as the doukaton (Greek: δουκάτον), was a widely circulated Byzantine silver coin of the first half of the 14th century. Its introduction marked the return to a wide-scale use of silver coinage in the Byzantine Empire, and presaged the total .....