Postage Stamp Embossing Quality: subjective assessment of the quality of all properties of a postage stamp embossing
perfect centered embossing
very good centered embossing
good centered embossing
slightly off centre embossing
somewhat off centre embossing
clearly off centre embossing
Postage Stamp Embossing Quality Grades: subjective perception of a postage stamp embossing quality in different grades and conditions
Faultless Postage Stamp Embossing: postage stamp embossing without conditi-onal of manufacturing or wrong handling originated quality defect
Contaminated Postage Stamp Embos-sing: postage stamp embossing with deep-seated contamination due to undesirable material components
Flattened Postage Stamp Embossing: postage stamp embossing with reduced relief depth caused by bad storage