Hong Kong new sig/date (01.07.2015) 50-dollar note (B817e) confirmed

Hong_Kong_BOC_50_dollars_2015.07.01_B817e_P342_CY_194775_fHong_Kong_BOC_50_dollars_2015.07.01_B817e_P342_CY_194775_r
B817e: Like B817d, but new date (1 JULY 2015) and new signature. Prefix CY.

Courtesy of Wally Myers.