Blog reader Gerry Haynaly has found five encrypted postcards that were mailed between two lovers in 1911. Here are all these cards, including the plaintexts and some interesting background information.

In an online forum, two encrypted postcards from 1911 have been posted. Can a reader solve them?

Here’s an encrypted postcard from the late 19th century. Can a reader decipher it?

In 1912, a young woman living in Winchester near Southampton received three postcards encrypted in a pigpen variant. Can a reader decipher these?

In 1905, a woman in Dorchester, UK received an encrypted postcard. Can a reader decipher it?

In 1902, a female aristocrat living near Bayreuth, Germany, received an encrypted postcard. Can a reader decipher it?

An encrypted postcard I recently discovered looked familiar to me. As it turned out, I had already blogged about a card from the same sender.

In the early 20th century, a young man sent encrypted postcards to his spouse. Can a reader decipher these?

A museum in Polotsk, Belarus, is struggling with an encrypted postcard. Can a reader help?

Here’s an English postcard from the early 20th century. Can a reader deipher it?