Mezuzah from a Museum or Gift shop?

The number one reason why I tell people not to buy a Mezuzah in a Jewish museum gift shop or even a Judaica store. The Mezuzahs are almost always very poor quality. And more often then not blatantly not Kosher. 
A Mezuzah is not to be compared to a Menorah or a Seder plate, who can blame a untrained sales clerk or Judaica owner from knowing any better. A Mezuzah is a specialty item and must be very specific and accurate to be Kosher and therefore must be purchased from a certified trained Sofer.
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How many letters in this Mezuzah can you actually decipher?

Fraudulent Mezuzah