Checking on the imported product to see to it that there is no trade war. May Flowers. China NK > IRAN
This could be material shipped from China/HK that POTUS requested for inspection to use as leverage in negotiations regarding tariffs.
Can't say, but worth keeping on the burner. This isn't cash, they wouldn't receive cash for purchasing it would be all done on the institutional level unless these are actual certificates returned from an exchange, which I doubt. This is a small sampling of product or rare metals to be inspected, or used as evidence