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UltravioletPhotography

US$20 in SWIR 1500-1600nm


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Andy Perrin

(The black is electrical tape to hold the bill flat.)

 

Front, Visible:

post-94-0-38973600-1563504912.jpg

 

Front, SWIR 1500-1600nm:

post-94-0-16599000-1563505025.jpg

 

Rear, Visible:

post-94-0-97112900-1563505067.jpg

 

Rear, SWIR 1500-1600nm:

post-94-0-18468200-1563505078.jpg

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I washoping you found a filter for $20.

You can see most of the security features. In UV it would high light the others.

 

There are also suttle difference between series. Here you have the 2013 one.

 

Rare notes have a star at the end of the serial number, instead of a letter. That is when a mistake was made and it was pulled.

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That light banding on the left in the SWIR of the back of the $20 is weird.
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thanks for posting this, it will allow me to make my counterfeit bills more accurate in the infrared spectrum, lol!
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