500 rufiyaa (US$39.05), 1 July 2006. Like P23, but new date, new signature (Qasim Ibrahim, Governor), Cornerstone watermark, 500 as electrotype watermark, windowed 3mm StarChrome security thread changes red to green. Printer: De La Rue.
As of May 10, 2007, all 500-rufiyaa notes issued on or before May 1, 1996 (P17 and 23) ceased being legal tender. The deadline for exchange was November 8, 2007.
Courtesy of Claudio Marana.