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If
the stamp has a double-line watermark it is clearly a fake made from Scott 343. In any case, one
should also examine the perforations. If the
perforations appear genuine, there is a very good case that the stamp is
genuine since there is no corresponding perf 8.5 stamp from which to make
the fake. Scott 390 is relatively inexpensive and is not a
prime candidate for forgery; you should be able to pick up a genuine copy without certification, but you must pay particular attention to guide
line pairs which do command a high premium and are often faked. |