Peter
In the last Century (1970's - 1999), the "card doctors" were Lo-Tech using paper cutters....but then most of these little cardboard gems were valued only in 2 or 3-digit$.
In the 21st Century, with 4, 5, or 6-digit$ values, the card doctors have become Hi-Tech....as is evident in the examples of the re-fronted T206's.
Now, what we T206 dudes have to fear is that these con-artists have become knowledgeable on the correct front/back permutations !
TED Z
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