That the title to all property, both real and personal, belonging to or held in trust by any religious organization known as the Christian Church, Church of Christ (using instrumental music), or Disciples of Christ or any religious society of the Christian Church, Church of Christ (using instrumental music) or Disciples of Christ that has or shall become extinct, shall vest in and become the property of the Kansas Christian Missionary Society, its successors and assigns: Provided, That this act shall not affect the reversionary interest of any person or persons in such property or any valid lien thereon.