New Orleans Spanish Tile Murals

How are the replica Spanish Tile Street Name Murals found in the New Orleans French Quarter made. These are tile duplicates but they also have paper or canvas prints.

Link to a blog entry with details:

http://bingoman.wordpress.com/2010/03/10/handmade-replica-spanish-tile-murals/

Bourbon St Tile Mural by figstreetstudio
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Rue Chartres Tile Mural by figstreetstudio
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