Category - Sight
Subcategory - Stamps with Hidden image
This category of stamps require a polarized viewer to see the hidden image on the stamp. These hidden images are printed as a security feature.
Indonesia 2014 Postal Service with Image Scanner
Issue date 26 August 2014
POS Indonesia has issued two stamps to commemorate the Postal Service in Indonesia. These stamps feature 3 hidden image each as a security feature which can only be seen with a polarized image scanner.
On the stamps you find the following hidden image "10" or "20", "NKRI" and the "Garuda" silhouette.
These are anti-forging security features implemented by POS Indonesia.
HongKong Post had issued stamps featuring an image scanner sometime back with the Tangram sheetlet
Disclaimer - Information about the stamp issues on this page has been taken from the net and are for informational purposes only. No copyright claim is made for the above mentioned information/pictures.
Subcategory - Stamps with Hidden image
This category of stamps require a polarized viewer to see the hidden image on the stamp. These hidden images are printed as a security feature.
Indonesia 2014 Postal Service with Image Scanner
Images hidden on Stamp seen through an image scanner
Image Scanner
Issue date 26 August 2014
POS Indonesia has issued two stamps to commemorate the Postal Service in Indonesia. These stamps feature 3 hidden image each as a security feature which can only be seen with a polarized image scanner.
On the stamps you find the following hidden image "10" or "20", "NKRI" and the "Garuda" silhouette.
These are anti-forging security features implemented by POS Indonesia.
HongKong Post had issued stamps featuring an image scanner sometime back with the Tangram sheetlet
Disclaimer - Information about the stamp issues on this page has been taken from the net and are for informational purposes only. No copyright claim is made for the above mentioned information/pictures.
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