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Knowledge / Errors / Roulettings

Rouletting Error: philatelic term for a deviation caused by a rouletting error

Missing Rouletting: postage stamp without rouletting at all sides caused by an error

Partly Missing Rouletting: postage stamp with missing rouletting at one or more, but not at all four, sides caused by an error

Pair With Missing Rouletting in Between: pair with missing rouletting in between caused by an error

Double Rouletting: postage stamp twice rouletted at all sides

Partly Double Rouletting: postage stamp twice rouletted at one or more, but not at all four, sides

Rouletting Size Error: postage stamp with a different number of rouletting elements caused by an error

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