Lot 1695, Canada 1969 six cent Sir William Osler with dramatic shift of blue colour, believed unique

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Lot 1695, Canada 1969 six cent Sir William Osler with dramatic shift of blue colour, believed uniqueLot 1695 Canada #495var 1969 6c Sir William Osler, mint gummed pair (with parts of 5 other stamps), with dramatic printing shift of the blue colour to the right, by 12mm. Obvious faults, still a rare modern variety, and the only one we recall seeing. Estimate C$100.

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