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Charles Gannon's Discussions (47)

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Discussions Replied To (35) Replies Latest Activity

"Scott, Yes, both flags are part of my collection. Both were purchased on Ebay. The…"

Charles Gannon replied Apr 5, 2010 to National Geographic Society - Army Air Corps Stratosphere Balloon Flight Collectibles

 3 Apr 5, 2010
Reply by Charles Gannon

"Russ, The photo used for the May 1936 supplement was on taken November 11, 1935 dur…"

Charles Gannon replied Mar 29, 2010 to Explorer II Dowmetal Commemorative Coin

 7 Oct 21, 2014
Reply by Charles Gannon

"Scott, Your comment is appreciated and is a good example of the adage that "when it…"

Charles Gannon replied Mar 24, 2010 to Souvenirs and Collectibles of the Explorer Balloon Flights

 2 Mar 24, 2010
Reply by Charles Gannon

"Scott, Thanks for adding to this discussion and sharing a photo of your bookmark. I…"

Charles Gannon replied Mar 15, 2010 to Explorer II Balloon Bookmark

 2 Mar 15, 2010
Reply by Charles Gannon

"I can provide a complete listing of all books printed in the Special Publications se…"

Charles Gannon replied Jan 24, 2010 to Looking for information on Special Publication Series Hardcover books

 4 May 25, 2017
Reply by Lynn Olson

"Condition is important. I notice a chip on the one in your photo. It would be best i…"

Charles Gannon replied Jan 18, 2010 to where do i find a buyer for my ngm

 16 Apr 16, 2011
Reply by Ronnie Gillmore

"No, they will not state that they are a reprint. Because of the scarcity of the orig…"

Charles Gannon replied Jan 17, 2010 to where do i find a buyer for my ngm

 16 Apr 16, 2011
Reply by Ronnie Gillmore

"Are the reprints bound or single copies? How far back to the single issues go? Condi…"

Charles Gannon replied Jan 16, 2010 to Sell a Collection

 5 Jul 5, 2013
Reply by Wendy Thrasher

"Based on the photo you have posted, you have the 1922 Reprints of Vol. 1, No. 2 &…"

Charles Gannon replied Jan 16, 2010 to where do i find a buyer for my ngm

 16 Apr 16, 2011
Reply by Ronnie Gillmore

"Please define "early 1900's". Are these bound or the individual issues? What is thei…"

Charles Gannon replied Jan 12, 2010 to Nat Geo Magazines

 9 Jul 6, 2013
Reply by Wendy Thrasher

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