These Currency & medals were issued to celebrate 250th Anniversary rule of Al Busaid dynasty
in Oman
Specifications:
SILVER COIN
Denomination    :  1/2 Rial
Alloy               :  Silver 0.925
Diameter          :  38.300 mm
Thickness        :  2.37 mm
Weight            :  28.28gms
GOLD COIN
Denomination    :  One Rial
Alloy               :  Gold
Fineness          :  917
Diameter          : 36.04 mm
Thickness        : 2.19 mm
Weight            :  39.94 gms
Specifications :
GOLD MEDALS
Fineness    :  750
Length       :  98 mm
Width        :  77 mm
Weight      :  598 gms