60c Orange & Black, Third Issue, Plate Proof on Card, Center Inverted, Foreign Entry of 70c (R142aP4 var). Position 19, showing foreign entry of 70c design, large to ample margins, without the heavy toning that affects so many of these, Very Fine, a highly desirable example of this rare proof, only one sheet of 80 was printed and 11 positions on the plate show evidence of a foreign entry of the 70c value (this position is very subtle), Scott Retail as the normal invert

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