There are various key-strips available for the AIV discs, however the main Domesday version is the most recognisable:

Domesday Key-strip 300dpi

If you'd like your own key-strip you can either download the image of the original (above) or you can use the following version which is made using Adobe Illustrator and can be printed at very high resolutions (since it is vector graphics rather than bitmap):

Domesday Key-strip vector (PDF document)

Some versions of the Domesday box set came with a white key-strip as per the following image (kindly provided by Michael Sadler):

White Domesday Key-strip 300dpi

Domesday Display Key-strips

The Domesday Display software came with two key-strips as shown in the following images:

Domesday Display key-strip 1
Domesday Display key-strip 2