Paraguay upgrades security threads on 20,000-, 50,000-, and 100,000-guaraní notes

According to a press release dated 22 December 2016, the Banco Central del Paraguay introduced new 20,000-, 50,000-, and 100,000-guaraní notes on 23 December 2016. Each denomination is like the preceding issue, but the Motion threads have been replaced by 4-mm wide color-shifting windowed security threads.