Earlier this week, I blogged about two encpostcards sent to a Bavarian princess. My blog readers solved all the mysteries about these documents.

In 1890, a year after her wedding, a Bavarian princess received two encrypted postcards. Can a reader decipher them?

In 1931, a woman from Bonn, Germany, received an encrypted postcard from Switzerland. Can a reader break this cryptogram?

The latest issue of the ACA newsletter “The Cryptogram” introduces an encrypted postcard. The cipher used is unusual. Can you solve it anyway?

In 1913 a man sent an encrypted postcard from Jena, Germany, to his lover in the Hamburg area. Can a reader decipher this cryptogram?

Here’s an encrypted postcard from the early 20th century, which was sent to a young woman in Landreville, France. Can a reader decipher it?

In 1875, a man living in Vienna received an encrypted postcard from a family member. Can you break this cryptogram?

In 1909, an unmarried woman in Santa Monica received a postcard encrypted in an unusual cipher. Can a reader break this encryption?

In 1909, a woman living in Toledo, Ohio, received an encrypted postcard. Can a reader decipher it?

In the early 19th century, an unknown person sent an encrypted postcard from Munich to Berlin. It is not hard to decipher.