CategoriesHawaii #10, 10a Mint Block of 4 with upper right stamp being the line thru "Honolulu" (Pos. 2) Variety. Slight aging not mentioned in APS Certificate. Scarce Block. Scott $480.+. 2-31-10,10a. 3/302-31 HI#10, 10a Mint Block of 4$225.00PriceQuantityAdd to Cart