A very fine used four margin 1d Red Plate 20 lettered SG. clear profile. cancelled fine first type BELFAST maltese cross to lettersheet. with contents. to Warrington (note single line address !). On reverse fine and scarce BELFAST LATE CDS for 12 December 1843. so posted on 13th with Belfast cds for that date. Opens up well for display. Toning invisible to the naked eye (scanner has lit it up). Most attractive usage.