
i can read arabic yes...but not in that state xD!!

all i can make out is allah written in arabic in the first pic.
so yes 100% islamic related.
more info by google
QUOTE
the Muwahhids, produced another oddity, a square dirham that lacked every type of identifying mark and bore nothing other than religious phrases (and just occasionally a mintname). These square coins became extremely popular and were copied by the neighboring Christians, the small Islamic state of Granada, and several states in Northern Africa including the Hafsids of Tunisia and the Marinids of Morocco.
source :-
http://users.rcn.com/j-roberts/spain.htmsome examples in this link :-
http://users.rcn.com/j-roberts/muw.htmexamples of the spanish christians square coins :-
http://users.rcn.com/j-roberts/spa.htmmore examples can be found in the link from the source page
hope this helps huss