Embroidery in a serving tray

One final post before I get some sleep, this time a tray with (to me) some old looking embroidery in it. Once again my pics aren't great, in this case because I didn't remove it from under glass, and I don't have a view of the back. But if needed I can take another go at it. This is the best I could do for now. What do I have here? (sorry, pics are a little out of order)

 

You have an old part of a Chinese Court robe!
https://www.liveauctioneers.com/en-gb/item/69229488_3-antique-chinese-silk-embroidery-in-tray

 

Thanks! I see they didn't get the opening bid of $100 on the link you gave. So how limited is the interest in something like this? Is it better left in the tray or taken out and (gently) cleaned (the edges have evidence of liquid damage where a spilled cup probably leaked in partially)? Is it possible to date mine approximately or figure out anything else about it?