This isn't possible anymore either. There are numerous reports that add up to the fact that Amazon now co-mingles all inventory, theirs and third-party, for a single product into a single bin.
From Amazon? Of course not. They haven't and likely won't admit to it. You can find 2-3 top level comments in this thread alone that cite their own examples of this happening. Similar stories crop up every single time anyone mentions the Amazon marketplace for at least a year now.
