Identification of an Almoravid quirat

Hi,

I bought this coin last year, I got 5 copies of them. The problem is I couldnt find them on Vives.

Any hint is welcome.

Weight, g: 0.7-0.9

Size, mm: 9-10

Metal: AR

      Coin1

         Coin2

      Coin3

        Coin4

       Coin5

Many thanks.