Knowledge / Safety Measures / Watermarks / Accidentals

Watermark accidental: philatelic term for a watermark deviation caused by accidental

Watermark size accidental: philatelic term for a deviation from the intended watermark size caused by accidental

Watermark text accidental: philatelic term for a deviation in the watermark text caused by accidental

Watermark design accidental: philatelic term for a deviation in the watermark design caused by accidental

Shifted watermark: postage stamp with shifted single watermark to another position as intended caused by accidental

Split watermark: postage stamp with shifted single watermark which is extended over multiple sheet positions caused by accidental

Missing watermark: postage stamp with shifted design print which reach a sheet position without watermark caused by accidental

Oblique watermark: postage stamp printed on paper with out of alignment shifted watermark caused by accidental

Light watermark: postage stamp printed on paper with clear but too light watermark caused by accidental

Strong watermark: postage stamp printed on paper with clear but too strong watermark caused by accidental

Uneven watermark: postage stamp printed on paper with wavering watermark caused by accidental

Cloudy watermark: postage stamp printed on paper with unclear watermark caused by accidental

Distorted watermark: postage stamp printed on paper with drawn-out watermark caused by accidental

Watermark space accidental: philatelic term for a deviation from the intended space between two parts of a watermark caused by accidental

Watermark mold with accidental: philatelic term for a watermark made from a damaged mold form caused by accidental

Stitch watermark: watermark like design in the paper caused by stitches caused by accidental