Bahrain new variety 1/2-dinar note (B212c) confirmed

Bahrain_BMA_0.50_dinar_1973.00.00_B212b_P18_fBahrain_BMA_0.50_dinar_1973.00.00_B212c_P18_f
Like B212b (top), but the security thread has six, not five, “windows” that are 4.0-mm long, not 5.5-mm long. Also, the prefix font is different.

Courtesy of Sejin Ahn.