That doesn't make sense. What use would scanning the pack be, if the stamps themselves are not associated to the pack? If anything all the stamps would have tw

That doesn't make sense. What use would scanning the pack be, if the stamps themselves are not associated to the pack? If anything all the stamps would have two ID in the barcode. One linked to the sales location (always the same) and one as a counter for the individual stamps. That would avoid having to scan every single one.