Qatar. Qatar Monetary Agency. 1981 Issues. Date: no date on the note. Dimensions: 164 x 73.5 mm. Watermark: falcon head. Material: paper. Solid security thread with printed Qatar Monetary Agency. Printer: Thomas De La Rue (TDLR), London, England. Multicolored front and back printing, predominantly green and blue. Description of the front: background made up of arabesques and repeating patterns. Texts in Arabic. Prefix and numbering in black. On the right, the Qatari coat of arms in a rosette with a dhow, two palm trees and two crossed swords. Only one signature combination in black with the Minister of Finance: Abdulaziz Al-Thani. Value "٥٠٠" in the angles. Description of the back: vertical composition. Background composed of patterns. Texts in English. View of an off-shore oil platform. Value "500" in the corners.