Here's the mailbox that could become a focal point in the battle between Amazon and union officials

The mailbox stands in front of the Bessemer warehouse.
Supplied by the RWDSU.
The union behind the failed unionization attempt has argued a warehouse mailbox may have deterred voting.
The RWDSU obtained emails between USPS workers showing Amazon had pushed for the mailbox.
The union said the mailbox would be a primary piece of evidence in its unfair labor practice charge.
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A mailbox outside of Amazon's Alabama warehouse could become a central focus in