These coins are known as
Bernard M. O'Hea series. They were struck by Vienna Mint in ca. 1965.
AH 1352 (ca. 1965).
23 mm. Edge:
Obverse: There is not God but Allah /
Muhammad is Allah's prophet.
The above mentioned coin
were also made in Aluminum-Bronze, Bronze, Copper-Nickel, Silver, Gold and
Platinum (3 pieces).
Addition to this, another series of the same designs,
but with 38mm diameter were also made in Aluminum, Aluminum with
countermarked "A", Aluminum-Bronze, Bronze with countered marked "BRONZE",
Gold (10 pieces) and Platinum (3 pieces).