Lot
281 
1986, 22¢ Duke Ellington, vertical pair, imperf. horizontally, top left plate block of 4 with plate number "A222222", o.g., never hinged, Very Fine, an extremely rare plate block, with only 40-60 pairs issued; with 2023 P.S.E. certificate.Scott No. 2211a $1,000 for pairs.