Judging from the date of the earliest reviews for this item, there are now seven years of hidden messages scattered among the HPLHS webpages and products to find and decode. While I’ve made a start, it feels like I may never find them all, and I suspect some I shall never chance upon. But then, that’s life for you! It is always entertaining to happen-upon some new-to-me message, and give the decoder a whirl (well, a slow, careful turn is more advisable) while the blind sphinx looks on... Nicely made, if maybe a little heavy to be worn as a pin on all but thicker clothing. Get one, and you too can be 8 10 24 19 9 18 5 10 8 3 20 8 19 20 22 14 4 11 10 8!