This year’s crop of stamps are up to Türkiye’s usual high standards of design and print quality. After the construction of the mosque was completed, Somuncu Baba led the first prayer for the congregation, including Yıldırım Bayezid, Molla Fenari, and Emir Sultan, The first imam of the Grand Mosque was Süleyman Çelebi, the author of Mevlid. The mosque has two minarets, the western minaret of which was built during the reign of Yıldırım Bayezid and the eastern minaret during the reign of Çelebi Sultan Mehmed.