J3c//J11c (D3a//D17a) 1926-30 3¢-75¢ black on orange Postage Dues, set of 10 normally issued values (including both papers of the 18¢) each with ERROR - "cent.s" for "cents." (row 4, pos 1) from the first printing only, scarce, undercatalogued, difficult to assemble.
