To speak words of the Torah and to remember the Exodus (Exodus 13:9).
Its purpose is to remind us of the presence of God (Talmud, Shabbat 156b).
Yes - the tefillin will have a certificate of authenticity.
Tefillin is not worn on the Sabbath and Jewish holidays.
Tefillin contain scrolls that have sections of Torah written on them.
No. Tefillin are not worn on holidays, including Shavuot, or on the Sabbath.
Tefillin (phylacteries). These have their source in Deuteronomy ch.6 and are worn during the morning prayers. Their purpose is to symbolically bind us to God and to remind us of the Exodus and the Torah (as is implicit in Exodus ch.13).
Images of the Tefillin can be found on the Chabad website. There one can see a history of the Tefillin, video clips, and a picture tutorial on the proper way to wear it.
Robert Alan Hammer has written: 'Tefillin' -- subject(s): Tefillin
They are called Tefillin (phylacteries). The one on the head is Tefillin Shel Rosh, and the one on the arm is Tefillin Shel Yad.
A yarmulke is a skullcap worn by Jewish men as a sign of reverence and humility before God. It is traditionally worn during prayer or religious rituals to remind the wearer of the presence of God above them.
On Orthodox Jewish men
The Tefilin is mentioned in Shema as it says: Ukishartem Li'os al yudecha Vi'hayu li'totafos bein ainecha. (Deuteronomy 6:8). And you shall bind them as a sign on your arm and let there be Tefillin between your eyes.This is how Tefillin is related to the shema.