Hello,
I'm aware this coin (KM#313) exists with many examples on ebay
https://en.numista.com/catalogue/pieces38580.html
and in 1 of them there is an information sheet that confirms the coin metal, fineness, etc (no mintage though)
However, Krause lists a similar coin (KM#421) with Silver(.900), Arabic legends, and a mintage of 21 only. With the same pic as KM#313.
Actually, both Krause and NGC does not list an obverse pic for KM#313, only a common reverse with KM#421.
Does anyone know if this coin exists or just a duplicate in Krause?