According to a press release dated 28 August 2020, the Banque Centrale des Comores introduced more robust 500- and 1,000-franc notes (B306c and B307c) on 1 September 2020. These notes are like the preceding paper issues, but printed on the Banque de France‘s EverFit composite substrate. The bank also indicated
Like B231, but with new security features, including a revised holographic stripe, improved watermark, and diagonal lines at left/right front as a tactile feature for the sight-impaired. Intro: 4 September 2020. Courtesy of Andrian Chekanov, Richard Miranda, and Ivan Bogdanov (bonistics.org).
According to an article on AllAfrica, the National Bank of Angola introduced a new polymer 500-kwanza note (B558a) on 17 September 2020. This joins the new 200-kwanza note (B557a) introduced on 30 July 2020, and will be followed by a new 1,000-kwanza note (B559a) in October and 2,000-kwanza note (B560a)
This 1,000-vatu note (overprinted on B210) commemorates the 40th anniversary of independence. Unlike with preceding issues wherein the first two digits of the serial number represent the last two digits of the year of printing, the 40 on these notes represents the 40th anniversary. Courtesy of Pratham Vyas and Claudio