That envelope is also an envelope issued by the USPS with that 'stamp' as part of the envelope. Postal stationery is what it's called if I remember correctly, so it would have been issued only right around the actual date on the FDC......it's not like it was a blank envelope that could have contained a signature and then had a stamp affixed at a later time. I cannot possibly see how that Ghezzi autograph could be authentic with those circumstances................
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