and if the institution is authorized to issue shares of more than one class, the certificate shall contain on the face or back either a full or a summary statement, or a statement that the institution will furnish to any shareholder upon request and without charge a full statement, of the designations, preferences, limitations and relative rights of the shares of each class authorized to be issued and, if the institution is authorized to issue any class in series, the variations in the relative rights and preferences between the shares of each such series so far as the same have been fixed and determined and the authority of the board of directors to fix and determine the relative rights and preferences of subsequent series.
7 P.S. § 1205