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The story is fairly obvious here. Koschal authenticated something that was printed either because he did not examine it in person; in our opinion making him Inexperienced, Deceitful or both.
How you can prevent costly errors.
To prevent such costly errors in purchasing material diligent dealers and collectors should employ at the very least a 30X magnifier. Under such magnification one can see the lack of consistency caused by a writer using a pen, and the consistency of a printed item. Sometimes printed items will even reveal the dot screen pattern of the printing process, not always visible to the naked eye.
Another method is to hold the questioned document in an indirect light source and observe how it reflects the light. A printed item will reflect with a smooth consistency while a written will not.
We have seen people try to doctor printed items by adding ink overlays to make them look written; to expose this process use Ultra-violet light for the examination as it will cause printing inks and writing inks to laminate differently.
In our opinion the best way to avoid costly mistakes is to deal with known long term dealers such as those that are members of UACC or PADA, or to use the expertise of known authenticators.
These and other links may be found in the reference section of our website.
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