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Uploaded on Sep 22, 2010
"The First Canada-US Joint Issue: The 1959 St. Lawrence Seaway Commemorative and its Famous Invert" presented by Charles Verge, The Eighth Annual Maynard Sundman Lecture, September 19, 2010, Smithsonian National Postal Museum. The museum's Maynard Sundman Lecture Series was established in 2002 through a donation by his sons, David and Donald. The Sundman lectures feature talks by authors and expert philatelists on stamps and stamp collecting. View past Sundman lectures here: https://postalmuseum.si.edu/sundman