Brunei. Monetary Authority of Brunei Darussalam. Negara Brunei Darussalam (State of Brunei Darussalam). 2011-2016 Issues. 1 dollar Type 2011. Introduction: July 18, 2011. Dimensions: 141 x 69 mm. Watermark: Sultan and HB (shadow image). Material: Polymer. No security thread. Printed in Australia. Front and back: polychrome printing predominantly blue. Description of the front: Security background made up of repeating ornamental shapes. Prefix and ascending numbering in black and in vertical and horizontal. On the right, a portrait of Sultan Hassanal Bolkiah Mu’izzaddin Waddaulah in ceremonial uniform. Coat of arms of Brunei and Singapore. In the center, a “Bunga simpur” flower. Texts in Malay. Signature: Haji Hassanal Bolkiah. Description of the back: Texts in English and Malay. Aerial view of Sultan Omar Ali Saifuddin Mosque in Bandar Seri Begawan and the foundation of Sultan Haji Hassanal Bolkiah. The value is shown in the left corner.