Quote:
Originally Posted by Abravefan11
39 if you include Blank Back and Brown Old Mill which were not inserted into packs.
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Being a half-hearted non-historian T206 collector, my question might seem obvious, but why are the blank backs not considered to have been inserted into packs? Isn't it possible that unprinted backs (a printing oversight, perhaps) made it through the printing process and into packs? And what is the reason for the Brown Old Mills not being in packs?
Brian