A cryptogram is a type of puzzle that consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that cryptogram can be solved by hand. Frequently used are substitution ciphers where each letter is replaced by a different letter or number. To solve the puzzle, one must recover the original lettering. Though once used in more serious applications, they are now mainly printed for entertainment in newspapers and magazines.
This is a series of caches all being letterboxes, none of the hides are tough, just look in the obvious locations. Any of the micro sized containers, will not contain an ink pad, so please bring your own if you choose to stamp. Do not take the stamp or the pay, they must stay in the container.