According to a press release dated 10 April 2023, the Banco Central de Nicaragua announced the introduction of revised 500-córdoba notes with tactile elements at lower right front that facilitate identification by the sight impaired. Preceding issues will continue to circulate in parallel.
Like B514a, but new date (24 DE NOVIEMBRE DE 2021) and tactile embossing at lower right front.
Courtesy of Lin Linen, Don Ludwig, and Stane Štraus (www.polymernotes.org).