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02/06/2022 4:23 am
Comparing a new batch against an old one. A loose blister is different in a way that may be nothing.
Genuine cartons have print that aligns to the die cut. Copies drift by a millimetre or so.
A batch number and an expiry that are almost up on a new purchase usually means the box was copied.
Imprint is the strongest signal, colour is the weakest, and the shape only narrows the manufacturer.
Light quality ruins more identification photos than anything else. Daylight, no flash.
Happy to be told it is nothing.
02/06/2022 5:05 am
The hologram is the least useful check because it is the one everybody makes.
02/06/2022 5:59 am
Imprint databases are mostly US-centric. A confident hit for another market is still a guess.