One (1) k'ai yuan coin, Emperor Kao Tsu (Tang Dynasty)
China, 618-626
Obverse Image: Text read top, bottom, right, left.
Obverse Text: Romanization: K'AI / YUAN / T'UNG / PAO (Translation: The Currency of the K'ai Yuan Period)
Reverse Image: Two crescent or new moons.
Reverse Text: N/A