Analysis of information sources in references of the Wikipedia article "آلپ ارسلان" in Persian language version.
This coin was struck at the mint of al-Ahwaz, the capital town of Khuzistan, which, together with al-Basra, was the main trading city at the head of the Arabian Gulf. On it, Alp Arslan clearly states his power and prestige as "the Exalted Sultan, King of Kings, King of Islam." In the inscription on his coins his name appears as Alb because Arabic lacks the letter "p", but to Persian and Turkish speakers his name is pronounced "Alp".