brick with eight domes, each 5 x 11.40 m. This treasury was used to finance the administration of the state. The kaftans given as presents to the viziers, ambassadors and residents of the palace by the financial department and the sultan and other valuable objects were also stored here. The janissaries were paid their quarterly wages (called ulufe) from this treasury, which was closed by the imperial seal entrusted to the grand vizier. In 1928, four years after the Topkapı Palace was converted into a museum, its collection of arms and armor was put on exhibition in this building. During excavations in 1937 in front of this building, remains of a religious Byzantine building dating from the 5th century were found. Since it could not be identified with any of the churches known to have been built on the palace site, it is now known as "the Basilica of the Topkapı Palace" or simply Palace Basilica. Also located outside the treasury building is a target stone (Nişan Taşı), which is over two metres tall. This stone was erected in commemoration of a record rifle shot by Selim III in 1790. It was brought to the palace from Levend in the 1930s. Arms collection The arms collection (Silah Seksiyonu Sergi Salonu), which consists primarily of weapons that remained in the palace at the time of its conversion, is one of the richest assemblages of Islamic arms in the world, with examples spanning 1,300 years from the 7th to the 20th centuries. The palace's collection of arms and armor consists of objects manufactured by the Ottomans themselves, or gathered from foreign conquests, or given as presents. Ottoman weapons form the bulk of the collection, but it also includes examples of Umayyad and Abbasid swords, as well as Mamluk and Persian armor, helmets, swords and axes. A lesser number of European and Asian arms make up the remainder of the collection. Currently on exhibition are some 400 weapons, most of which bear inscriptions. Gate of Felicity The Gate of Felicity (Bâbüssaâde or Bab-üs Saadet) is the entrance into the Inner Court (Enderûn meaning "inside" in Persian), also known as the Third Courtyard, marking the border to the Outer Court or Birûn (meaning "outside" in Persian). The Third Courtyard comprises the private and residential areas of the palace. The gate has a dome supported by lean marble pillars. It represents the presence of the