The cipher is the monogram of a reigning sovereign and consists of the initials of their name and title and often includes a crown. A change in monarch affects not only the military but also ...

And no doubt Meghan approves of her calligraphy-inspired cipher. The former Suits star used to have a side gig as a calligrapher during her early acting days. Though uses of the monogram outside ...

In 1854, Sir Charles Wheatstone invented the cipher known as "Playfair," named for his friend Lyon Playfair, first Baron Playfair of St. Andrews, who popularized and promoted the cipher.