Category - Touch
Subcategory - Miniature Sheets with Materials Affixed
Subcategory - Miniature Sheets with Materials Affixed
Portugal 2019 Christmas Souvenir sheet with LED attached
Issue date 22 October 2019
CTT Portugal has issued a special souvenir sheet for Christmas 2019 which has a LED light built into the miniature sheet and gets activated with the NFC (near field communication) touch of the smartphone (need to activate the NFC capability in your android smartphone. For iphone users some models have limited NFC capability e.g. iphone XS, iphone XR and iphone XS Max - the LED blinks only once when sheet is put across the iphone whereas in an NFC activated android phone the LED continuously blink)
Seen on a Huawei P20 Pro Android phone
Seen on a Iphone XR model
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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. The pictures have been scanned from my collection.
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