Canada 1982 (Error) 30c Queen Elizabeth II block progressively missing black

CANADA 1982 (ERROR) 30C QUEEN ELIZABETH II BLOCK PROGRESSIVELY MISSING BLACK 30c Queen Elizabeth II marginal block x 10 with top left stamp missing black (country name and value) and surrounding stamps partially missing the colour. Just two stamps are recorded completely missing black - this being the key piece showing the progressive nature of the dramatic error. Offered with Saskatoon Stamp Centre guarantee of authenticity. This item is in the category "Stamps\North America\Canada".

The seller is "zeboose" and is located in this country: GB. This item can be shipped worldwide.

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