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Richard Bean, who recently broke two well-known cryptograms, has received lots of media coverage in Australia. Especially, a few radio interviews he gave are worth listening.

The American Cryptogram Association (ACA) recently celebrated its 90th anniversary. One of the birthday presents was a cake bearing an encrypted inscription. Can you decipher it?

Two more bottle posts have been found in Hamburg, Germany. Still, nobody seems to have a clue what these strange messages mean.

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

In the 1960s, blog reader Werner Frank acquired a number of lamps bearing strange inscriptions. Can a reader make sense of them?

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

In Canberra, Australia, there is a set of eight steel pillars bearing encrypted inscriptions. So far, they have not received much attention in the codebreaking community. Some of the cryptograms are still unsolved.

Message B, a ciphertext left behind by British parapsychologist Robert Thouless, baffled codebreakers for over 70 years. Richard Bean from Brisbane, Australia, has now broken it.

Earlier this week, I blogged about an encrypted newspaper ad from 1897. Seth Kintigh from Massachusetts has solved it.

US crypto expert Jim Gillogly broke over 1,000 transposition cryptograms created by IRA activists in the 1920s. Only one of these messages remained unsolved. Now, it has been broken by Richard Bean from Brisbane, Australia.