Paper Colour Error: philatelic term for a deviation caused by error from the intended paper colour |
Thinner Paper: postage stamp with caused by error printed on paper with a lower grammage as intended |
Thicker Paper: postage stamp with caused by error printed on paper with a higher grammage as intended |
Porous Paper: paper with caused by error produced with not enough glue so the design print is interconecting |
Granite Paper: postage stamp with caused by error printed on granite paper instead on paper without fibres |
Horizontal Laid Paper: postage stamp with caused by error printed on horizontal instead vertical laid paper |
Firmly Sticking Postage Stamp: self-adhesive postage stamp which caused by error can not striped without damage from the backing film |