Detroit just recently opened up a Hard Rock Cafe. At one point in time I considered letting them display 87-4431, since it used to belong to Stanley. They wanted it for a lot longer than I was willing to part with it, so no deal. Actually they would've preferred to buy it, but that wasn't even up for discussion. If there's one near you, they may consider it. My understanding is that these are local management calls.
Peace,
James