The Fraser alphabet developed by Sara Ba Thaw, a Karen missionary from Burma, with the help of the British Christian missionary James O. Fraser for the language of the Lisu.
Among the Lisu the alphabet " Old Lisu script " is called. The completion date can not be determined exactly, but it is not before the year 1915. Middle of the 1930s, a New Testament was printed in this publication. In 2007, approximately 200 000 Lisu used in China this alphabet.
The alphabet consists of the well-known Latin capitals and additionally rotated by 180 degrees the Roman alphabet. This had the advantage that the pressure existing letters could be used at the time of development of this alphabet.
The coding of the Fraser alphabet was standardized in Unicode block Lisu.