Lot 1798 EVan Duzer, S.R., 4¢ black, progressive die essay, on India showing no vertical shade lines in central inscription area and horizontal shade lines in numeral areas, stamp size with ample margins, fresh and Very Fine, an extremely rare and possibly unique progressive essay, ex-Joyce.
Scott No. RS249E Estimate $500 - 750.
Lot 1799 oVan Duzer, S.R., 4¢ black, watermarked USIR, printed "S.R.V.D., Mar. 1, 1879" two-line cancel, small thin, otherwise Very Fine, scarce with only 23 examples reported.
Scott No. RS249d $210.