Hello
100 % from THAILAND
the badge is in correct position ;
the central device is a wheel or chakkra ;
in the middle is the number '9' in thai standing for RAMA IX
= King Bhumibol , 9th sovereign of the Chakri dynasty crowned in 1950.
the general design of this badge match with the Royal Thai Army flag of 1962 ;
> see pic below from source :
www.crwflags.com
After 1979, the badge is more elaborated with a royal crown or tiare ...
The traduction of the motto (to be done by an expert ...) will help to confirm the ID ........