Postcard enthusiast Günther Hunger from Oschatz has provided me a scan of an encrypted message from the early 20th century. Can a reader decipher it?

In 1908, an ecrypted postcard signed with “Somebody” was sent to a sobriety organisation in Northern Ireland. Can a reader decipher it?

In 1907, a young woman from Orimattila, Finland received an encrypted postcard. Can a reader decipher it?

Here are two cryptograms that are easy to solve: a postcard sent from Dortmund, Germany, in September 1900 and another one sent from the same place a few weeks later.

It’s probably not a Christmas card, but at least an encrypted card that was sent on the occasion of a celebration. Can a reader decipher this cryptogram?

Here’s one of the oldest encrypted postcards I have ever seen. Can a reader decipher it?

My users ure usually very successful when it comes to breaking encrypted postcards. Anyway, the one I’m going to introduce today might be a tough challenge.

Blog reader Karsten Hansky has provided me a nice encrypted postcard from 1954. Can a reader decipher it?

In 1914, a man sent an encrypted postcard from Kiel to Hannoversch Münden. Contrary to all other encrypted postcards I know, this one was written with a typewriter.

In 1920, IRA member Patrick James McGuire received an encrypted Easter postcard. Does it contain a love message? Or is the content related to the Irish War of Independence?