VERY FINE AND CHOICE. THE UNIQUE PLATE BLOCK OF THE 1922 2-CENT CONTAINING TWO STAMPS PERF 10 AT BOTTOM AND ONE STAMP WITH TRANSITIONAL PERFS AT BOTTOM. ONLY TWO OTHER UNUSED EXAMPLES OF THIS PERFORATION VARIETY ARE KNOWN TO US. FROM A RECENT DISCOVERY AND ONE OF THE MOST OUTSTANDING PLATE BLOCK RARITIES OF THE 20TH CENTURY.
Our unpublished census of Scott 554d contains 20 used singles, a used block of four, four covers and five unused examples (three contained in the unique plate block offered here). The Scott footnote stating that the single unused example is unique is out of date.
Unpublished Census No. 554d-OG-BL-01. With 2009 P.F. certificate