Items matching letterx taken from Letters & Lettering: A Treatise With 200 Examples (1921) (results page 1)
letterx: The letter “X” for example as a decorative initial or drop cap (drop capital letter).
Since X is not really a native English letter, it is often missing from older alphabets.
ABCDEFGHIJKLMNOPQRSTThUVWXYZ