Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2

Canada - Modern Errors

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Start price: $75

Buyer's premium:

1977, Parliament Building, 12c blue, bottom margin single printed on gum side, nice quality, NH, VF, C.v. $300, Unitrade C.v. CAD$400, Est. $100-$150 , Sc. #714a