Which of the following is not a standard age proof?

A school leaving certificate is a document that is issued by a school to its students upon completion of their studies. It contains the student’s name, date of birth, and the name of the school they attended. A school leaving certificate is a valid form of identification and age proof.

A birth certificate is a document that is issued by a government to a child’s parents upon the child’s birth. It contains the child’s name, date of birth, place of birth, and the names of the parents. A birth certificate is a valid form of identification and age proof.

A horoscope is a prediction of a person’s future based on the position of the stars and planets at the time of their birth. It is not a legal document and is not considered a valid form of identification or age proof.