It's only the context that gives objects like these value. By themselves they are virtually undatable and practically without meaning. Once removed, this context is lost and generally unrecoverable.
In an ideal world sites like that would be identified and protected and dug only by trained archaeologists under government permit and only after a plan for the preservation of any artifacts found has been made. Sada Mire would be the one.
In an ideal world sites like that would be identified and protected and dug only by trained archaeologists under government permit and only after a plan for the preservation of any artifacts found has been made. Sada Mire would be the one.