Attached is a nice example of a Thailand Border Patrol Police, reportedly from the 2nd Army Area.
This would date from the mid 1990's. The base material is unembroidered, and the design is finely stitched by a large production process. As typical with Thai patches, they colors are very vibrant.
The backing is a dense fine mesh, a bit tighter than what is seen on wartime examples made for US forces.
I know this one is real because...