Does anyone here consider themselves very knowledgeable regarding U.S. stamps on Blue Paper?

Insider2Insider2 Posts: 8,695 ✭✭✭✭✭
edited May 18, 2018 8:42PM in Stamps Forum

I meat a collector at the national show in Sarasota two years ago and we shared some ideas about several unlisted stamps that appear to be printed on the same Blue Paper as the Wash/Franklins. I'm interested in discussing this topic.

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