Stamp 15:
Note: in the lower left corner, the two broken lines do NOT both extend to the lower frame in contrast to the continuation of the corresponding lines in Stamp 8 in Row 2. |
Stamp 17:
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Stamp 18:
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Stamp 19:
The flaw in the right hand recess has been found in all but one example of stamps with the characteristics in the left hand recess. |
Stamp 20:
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