Question 826: Shift+7

Traditionally, in English-speaking schools when reciting the alphabet, any letter that could also be used as a word in itself ("A," "I," and, at one point, "O") was preceded by the Latin expression "per se" (Latin for "by itself"). Also, it was common practice to add at the end of the alphabet this particular sign . Thus, the recitation of the alphabet would end in: "X, Y, Z and per se and." What sign?
Answer: Its the Ampersand symbol "&" so often used in English language. Cracked only by one guy!