Guinea new sig/date (2017) 500-franc note (B339b) confirmed

Guinea_BCRG_500_francs_2017.00.00_B339b_P47_AV_322501_fGuinea_BCRG_500_francs_2017.00.00_B339b_P47_AV_322501_r
Like B339a, but new date (2017) and new signatures. Prefix AV.

Courtesy of Thomas Augustsson.