MNH plate block of six of U.S. Scott C21, the 20 cent Trans-Pacific air mail stamp picturing the China Clipper. The plate block has a single perf. separations at the top. The Durland 2016 catalog value is $100.
U.S. Scott C21 20 Cent Trans-Pacific Air Plate Block
Returns accepted for up to 30 days from the date of mailing, for any reason, as long as the item is returned in the same condition that it was sent.