20¢ 6UL70

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Last Updated: Jan 14, 2026

20¢ 6UL70

"In the horizontal margin between 6UL60 and 6UL70 there were a number of short lines some straight and some curved. It seemed to the author that the curved lines corresponded to the outline of the numeral "20" in the lower left and all of these lines were the result of misplaced and incomplete entries."

Flaw in Zone 12

Plate Position: 6UL70

Listed in Marler

Straight Edge Right

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