The image contains the following readable text:
- In the yellow strip:
"csembly of Siripatumthip on Sunday, 4 April 2564 B.E."
- At the bottom right:
"พฤษภาคม ๒๕๖๔ อยู่ในบุญ"
which translates to "May 2021 in merit" or "May 2564 in merit" (based on the Thai Buddhist calendar).