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Knowledge / Accidentals / Watermarks

Accidental Watermark: philatelic term for an accidental paper with watermark

Watermark Typ Accidental: deviation in the watermark text caused by an accidental

Shifted Watermark: deviation from the intended watermark position

Split Watermark: shifted watermark split on multible postage stamps

Pair With Watermark and Without Watermark: pair with shifted design print one stamp printed on paper without watermark

Watermark Coil With Accidental: watermark produced from a caused by an accidental damaged watermark coil

Light Watermark: clear but too light watermark

Strong Watermark: clear but too strong watermark

Uneven Watermark: watermark with uneven design

Missing Watermark: shifted watermark which did not reach a stamp field

Oblique Watermark: postage stamp with watermark shifted out of alignment

Watermark Size Difference: deviation from the intended size of a watermark

Watermark Space Accidental: deviation from the intended space between two parts of a watermark caused by an accidental

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

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