Burundi new sig/date (04.07.2018) 500-franc note (B236b) confirmed

Burundi_BRB_500_francs_2018.07.04_B236b_P50_AC_1596997_f
Burundi_BRB_500_francs_2018.07.04_B236b_P50_AC_1596997_r
Like B236a, but new signature, new date (04-07-2018), and modified security thread. Prefix AC.

Courtesy of Hartmut Fraunhoffer (Banknote-Online).