Bring your Tefillin & Mezuzos to be checked (on the spot!) at Happy Minyan! Checking Mezuzahs $15 includes touch-ups to the letters. Checking Tefillin $130 (does not include cosmetic glueing and sealing. ) New Mezuzahs Sofer only sells size 12 cm and larger since smaller are generally kosher bedieved, and often not kosher at all. 12 cm Starting at $100 (includes tax and includes a simple case) Sofer checks each Mezuzah before selling. The Tefillin also are the only ones that are not bedieved kosher. SOFER Avrohom Dovid Wolffe checks the parshios before inserting them. They start at $900 for parshios with batim and straps all checked by Avrohom Dovid for quality and kashrus.