On the flip side it seems to have braille under some of the letters of "ELIZABETH II AUSTRALIA". B = c / 3 T = b / 2 H = f / 6 A = a / 1 S = e / 5 A = d /

On the flip side it seems to have braille under some of the letters of "ELIZABETH II AUSTRALIA". B = c / 3 T = b / 2 H = f / 6 A = a / 1 S = e / 5 A = d / 4 ATBASH?