I HAVE SOMETHING SIMULAR TO THIS IN DECORATION BUT A DIFFERENT FORM THAT I BOUGHT IN CHINGDU CHINA , WHICH IS NEAR TIBET. THE FORM OF YOURS IS QUITE A BIT DIFFERENT IN HANDLE AND BLADE SHAPE BUT THE DECORATION ON THE HANDLE SCALES IS VERY SIMULAR. PERHAPS IT IS FROM A DIFFERENT TRIBAL GROUP IN THAT REGION OF CHINA AS IT EXHIBITS QUITE A VARIATION FROM MOST CHINESE FORMS ESPECIALLY THE POMMEL. JUST GUESSING MOSTLY

PERHAPS SOMEONE MORE UP ON CHINESE ITEMS CAN BE OF MORE HELP. GOOD LUCK