[2] Prior to the Imperial Edict, the Ottoman postal service was intermittent for the inland cities in Palestine.
[3] Fees were calculated by the type of mail, the weight, and the distance (measured in hours): in 1840, an ordinary letter, weighing less than 10g, had a cost per hour of 1 para.
[4] The postal rates changed frequently, and new services were added over the years.
Upon joining the Universal Postal Union on 1 July 1875, Ottoman overseas rates conformed to UPU rules.
half a para increase per additional dirhem and hour Currency: