Posted By: 
warshawlawThe other examples mentioned had contests attached to them.  I don't know of a T206 contest.  
Wasn't there a permission letter than the ATC had players sign?  I recall seeing one auctioned some time ago.  Perhaps the clearance department at the ATC got a little sloppy and ended up pulling the Honus as a result of lack of clearance?  
Plank I cannot figure, unless they had the same problem twice or someone accidentally ran the plate twice.