3¢ Washington Essay on Stiff Stamp Paper, by Bradbury, Wilkinson & Co, England
3¢ Washington Essay Die on India, by Danforth, Bald & Co, Philadelphia, PA
1847 5c red brown
1847 10c black, plate on card
1c Die on proof paper, various colors
1c Plate on pelure paper, gummed, red
Die on white glazed paper
1861 1c Plate on white paper, perf
1861-66 1c blue
1861 1c Blue Specimen with Control Number 9012 in Carmine
3c Washington
3c Finished "Premiere Gravure" plate essay on semitransparent stamp paper
1861-66 3c rose
1861-66 10c dark green
1903 Die on proof paper, various colors
1861 30c Essay
1861-66 30c orange
1861 90c Essay
1861-66 90c blue
1861-66 2c black
1861-66 5c brown
1861-66 15c black
1861-66 24c lilac
3c Plate Essay