B128 (P39): 500 rials (US$2)
Blue, green, yellow, and tan. Front: Arabic text; Al Muhdar mosque in Tarim, Hadramaut. Back: English text; palace on the Rock at Wadi Dahr. Windowed security thread with demetalized CBY. Watermark: Coat of arms and electrotype ٥٠٠. Printer: (Goznak). 155 x 69 mm. Paper.
a. ٢٠١٧/١٤٣٨ (2017/AH1438). Sig. 7: bin Hamam. Prefix B/01 – B/40.
Like B125, but with the front and back vignettes swapped, the physical size reduced, and the security features changed.
Courtesy of Thomas Augustsson.