Flag of Tov aymag (province), Mongolia.
No formal blason found.
This flag sometimes gets shown with the ornament near the hoist.

Real life flags on photos have a ratio of 1:2 and show the graphic in the center. See eg. http://tov.gov.mn/index.php?pid=108&amp;nid=1887  (This is the flag from the aimag governor's office).
Vectorization: Own work, based on this file
ArnoldPlaton