Silver or Billon Islamic Religious Amulet, from the Middle East, c. 12-14 century, apparently RARE

Obverse	Legend in three lines: al-mulk lillah al-din lillah
Reverse	Legend in three lines: al-mulk lillah al-'umdat lillah
Date	c. 12th - 14th century
Weight	0.72 gm.
Diameter	12 mm.
Die axis	12 o'clock
Reference	Unknown, possibly unpublished
Comments	This piece was identified by "sma" on zeno.ru as probably coming from Turkey, Iraq or Iran. The zeno listing can be seen here.