Section XII-3: Statutes nullified - Exemption as to purchase price restricted - Incumbering personal exemptions - Change or amendment of article.

  After the adoption of this constitution, paragraph three of
section four, and section five, of Chapter thirty-four, Statutes
of Oklahoma, of 1893, shall be inoperative:  Provided, That no
property shall be exempt for any part of the purchase price while
the same or any part thereof remains in the possession of the
original vendee, or in possession of any purchaser from such
vendee, with notice: And Provided Further, Nothing in this
Constitution shall prevent or prohibit any person from mortgaging
or encumbering his personal exemptions.
  The Legislature may change or amend the terms of this article.