Nigeria new date (2016) 500-naira note (B228r) confirmed

Nigeria_CBN_500_naira_2016.00.00_B228r_P30_V-99_690335_f
Nigeria_CBN_500_naira_2016.00.00_B228r_P30_V-99_690335_r
B228r: Like B228q, but new date (2016). Prefix V/99.

Courtesy of Andrew Roberts.