Mi 21
Invalids
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The so-called "Invalids" issues (Mi #21-22) have a rather poor printing quality, and there are several plate errors in borders and ornaments. There are no particular characteristics in the paper quality to distinguish originals from forgeries. The easiest mathod is to check the features of the faces of the people in the central motive. The faces are rather poorly drawn also on the original issues, but are completely missing on the forgeries [1]. Furthermore, the following characteristics can be noted [2]:
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Original |
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Forgery |
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Forgery |
Original |
Forgeries of Mi #22 have a clear blue green colour with even printing, while the original stamps have a more greyish blue colour with uneven printing with many spots. Apart from the missing face and details of the persons in the center motive, the following characteristics can be noted [2]:
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Forgery |
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