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EXTREMELY FINE EXAMPLE OF THE RARE CANADA SEAWAY INVERT.
The St. Lawrence Seaway provided for passage from the Atlantic Ocean to the Great Lakes. It was a collaboration between the United States and Canada. The Seaway was opened in 1959 with a ceremony led by Queen Elizabeth II and President Eisenhower. Both the United States and Canada issued stamps to commemorate the event. Both stamps have the same basic design, except the Canada stamp has bilingual text at top. The invert is only known on the Canadian stamp.
With 1982 A.P.S. certificate. SG £9,000. Unitrade C$16,000.00 (Image)
VERY FINE. A RARE MINT NEVER-HINGED PAIR OF THE FAMOUS CANADA SEAWAY INVERT.
With copy of 1979 Friedl certificate for a block of four. SG £18,000 as singles. Unitrade C$32,000.00 as singles. Scott Retail as singles (Image)