Rosh Hashanah postcard depicting a bar mitzvah lesson, including including the blessing for putting on tefillin : "Blessed are You, Lord our God, King of the universe, Who has sanctified us with His commandments and has commanded us regarding the commandment of tefillin."
Rosh Hashanah postcard depicting the steps of the Jewish life cycle, starting from birth, through childhood to bar mitzvah, then marriage and children, ending with old age.
Rosh Hashanah postcard depicting a boy learning to lay tefillin before his bar mitzvah. The text reads : "And thou shalt bind them for a sign upon thy hand, and they shall be for frontlets between thine eyes" (Deuteronomy 6:8).