Plate 2E was made in late July, 1851. The earliest known use is August 2, 1851, and the plate was used continuously until late 1851, when it was then softened, reentered, and recut a bit by hand, to continue use as Plate 2L. Plate 2E showed no wear and impressions were clear. All stamps from this plate are have inner lines. Approximately 4,169,800 stamps (20,849 impressions) were printed from Plate 2E. Refer to Dr. Chase's book The 3¢ Stamp of the United States 1851-1857 Issue for the full story of Plate 2E.
Plate 2E - Earliest Use July 23, 1851; Used for 3 1/2 Months; 20,849 impressions/4,169,800 stamps/1.15% of issued; 200 Scott 10A:
Chase - Plate 2E:
Images are provided courtesy of Smithsonian's National Postal Museum