According to a Spanish-language press release dated 3 March 2015, the Banco Central de Bolivia introduced a 20-boliviano note with suffix J. This note is like B413d, but with new signatures (Zabalaga/Pérez), 1.2-mm wide magenta-to-green windowed security thread with demetalized BCB 20 20, and new printer imprint (OBERTHUR fiduciaire). Suffix J. Intro: 03.03.2015.
Courtesy of Thomas Augustsson.