Traditional Culture Encyclopedia - Hotel franchise - What does it mean if there are pinholes on the handle of Nanjing Jinling Twelve Hairpins?

What does it mean if there are pinholes on the handle of Nanjing Jinling Twelve Hairpins?

Anti-counterfeiting mark.

The main color of correct packaging is golden yellow and the secondary color is red. On the front, on the flip, there are big characters "Nanjing" and small characters "Filter Tip Cigarettes" printed on it. The middle part is separated by two golden decorative lines about 2mm apart. In the middle is Li Wan teaching, and there is this pinhole.