There is a wealthy collector in the North Dallas enclave of Highland Park who intentionally grabs up these often rejected statues. History abounds inside Harlan Crow’s home - actually, inside and out, because many of them are too large for indoors. My university library has an organized "Friends of the Library" group that toured there a few years ago. Stalin is outside and is huge. Collecting Despots, Assassins And Such. Both of these are from the Dallas Morning News, so there may be a paywall if you try to view more than just a couple of articles. Here's a Google search on images of his museum's statues.