Arabic glass standard weight for a silver Half-Dirhem (1.45g)

Arabic glass standard weight  for a silver Half-Dirhem (1.45g)

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Circular Arabic glass standard weight, green, for a silver Half-Dirhem (1.45g), marked as issued under Al-Amir bi'A_kami l-Lah, North African, 1101-1130CE (10th Fatimid Caliph).

Details

Category:
Weighing & Measuring
Object Number:
1927-1100/8
Materials:
glass and complete
Measurements:
overall: 3 mm x 29 mm x 21 mm, .00145kg
type:
coin weight, standard weight and glass weight
credit:
Dr. W.L. Hildburgh.