I came across this on core77.com.

From the designer, "Priori Acute is the latest addition to the Priori family. It is the result of a series of experiments into three-dimensional letter form design inspired by 19th Century display and artistic printing types. However, instead of simply adding drop shadows or fake relief to create the illusion of depth, the designers at Jonathan Barnbrook's studio took their cue from such diverse sources as the angles on the Stealth bomber and the...