Does the one to one marked playing cards really exist? And where to buy the best quality One to One lens playing marking cards
One to one marked card is a special playing cards. This cards is used some special juice and special marking way to print, it only co-work with one to one contact lenses or one to one scanning system.
One to one marked cards only can be seen by one to one contact lenses or scan by one to one scanning camera, that is why we called it "one to one". Other people can't see this marks by naked eyes, even though they wear all-power contact lenses or use other scanner.
With its one to one contact lenses or scanner, we can see the marks on its back clearly or know the playing result correctly!