For info on the full inscription please refer to http://www.calgarycoin.com/reference/peterwiremoney/peterwiremoney.htm
The name "PET[R]" can easily be read in the third line.
The full inscription states in English "Tsar and Great Prince Petr Alekseevich of all the Russias"
(Tsar i Velikii Knyaz' Petr Alekseevich V'sey Rossii)
