"The letters M & E connected" in the word "FRÍMERKI" on the left side of the lower right stamp in a block of four of the red 10 aur Christian X value. The block of four with sheet marginal from the lower left corner with the printing number (paper number) No 143-Z, NEVER HINGED. This variety is one of the very few listed for the Christian X issue in the Facit catalogue.

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