This is an early 20th century Persian silver over copper tray.
Typically these were used with folding wood tray stands, as portable tables.
Yours is a particularly nice example, with high relief and very dense imagery.
Are there any marks, stamps, labels, etc. anywhere on the piece, including the back or in the edges?
No, I was just wondering if there were any specific maker's marks on the back anywhere. If not, I'll go ahead and do more research now as an unknown maker.
This is really a very spectacular Egyptian (or Mamluk) Revival example, probably from the late 19th century rather than early 20th, as I look more closely at the detail.
On a retail level, for insurance purposes, this would be valued at $5,000.00 - $7,000.00.
OK, so this is a more recent example than I believed earlier, mid 20th century. This would set the retail value in the range of $1,500.00 - $2,000.00.
I see you have not yet rated/accepted my answer. How can I help you further?
I'll opt out and let other appraisers weigh in. However, I do need to point out I've been appraising these trays for 22 years and am quite familiar with them and with the market. (I live in an area where I have many Persian clients.)
My name is***** am also one of the Appraisers. I agree with Jennifer. The shops in Egypt, Israel and Turkey all have similar pieces made in the 20th Century replicating earlier styles.