Shifted Fluorescence Overprint: deviation from the intended fluorescence overprint position |
Shifted Phosphorus Overprint: deviation from the intended phosphorus overprint position |
Shifted Phosphorus Bar Overprint: deviation from the intended phosphorus bar overprint position |
Shifted Phosphorus Bar Overprint: deviation from the intended phosphorus bar overprint position |
Missing Fluorescence: postage stampe without fluorescence caused by a mistake |
Missing Phosphorus Overprint: postage stamp without phosphorus overprint caused by a mistake |
Missing Phosphorus Bar: postage stamp without phosphorus bar overprint caused by a mistake |
Double Phosphorus Bar: poststage stamp twice overprinted with a phosphorus bar |