The Daily Courier

The Daily Courier was a newspaper that reported, "Mystery Writer Disappears" in December 1926 when the author vanished and later turned up at a Harrogate Hotel.

The same edition also featured an article headlined "Influenza Outbreak in Nottingham". (TV: The Unicorn and the Wasp)

Behind the scenes
Although there are several The Daily Couriers in the real world, the only one known to have existed in the 1920s is.