Quote:
Originally Posted by Misunderestimated
Is it possible to know that a hypothetical unopened package contains a baseball card as opposed to a card of an actress or pugilist or someone/something else Old Judge included with their cigarettes in 1887-90?
Just in case I get an unopened pack figured I might want to know 
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Based on dates on the tax stamp you’d be able to tell, if you knew what to look for. Great question