From what I've been able to determine, this sterling silver oversized coin is a memorial to King Faisel of Saudi Arabia issued after his assassination in 1975. It depicts King Faisel on one side and a Mosque on the other.
Apparently this came in various sizes - this is the largest, measuring 50mm and weighing 62 grams of sterling silver including the bezel. It has been placed in a heavy bezel which also tests sterling silver. The chain and key ring test as a lower grade of silver.
I have no way of knowing what the grade of this coin is. It's obviously been used. There are a couple of dings in the bezel and I'll let the photos speak for themselves.
I love the fact that it is housed in a bezel and chain so that it can be worn as a jewelry pendant or as a fob if desired. The overall measurement is 1-3/4" wide by 2-1/4" if you include the bezel's ring, and 5" if you include the entire chain. The total weight of the piece is 66.8 grams.
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