Welcome to the Inverted Jenny This item is. MNH (Mint Never Hinged) OGnh. EFO: Major Error: Dark Blue omitted.Alas, as you can see only 99% of the dark blue is omitted. A faint tint of the dark blue is visible. You can see the margin information faintly on picture #10. Picture #11 shows a comparison of two sheets, one with the plate number and margin information (Use Correct Zip Code) and the sheet shown without the plate # and margin information. The plate number is GONE! This is a very nice specimen and is valued accordingly for a sheet of 100. The item "US #1894c (1981) 20c -MNH-EFO 99% Dk Blue Omitted sheet 100 Scarce/Rare" is in sale since Monday, June 8, 2015. This item is in the category "Stamps\United States\Errors, Freaks, Oddities". The seller is "tasmanianman" and is located in Orem, Utah. This item can be shipped worldwide.