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

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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