File:Tsar Peter III circa 1845 (Pietro Antonio Rotari).JPG

Summary
Portrait by Pietro Antonio Rotari of the Grand Duke Pyotr (later Tsar Peter III) painted circa 1745, St. Petersburg, Russia.

The portrait is in the collection of the Hermitage Museum, St. Petersburg, Russia. It was scanned from the Sept. 1998 issue of National Geographic Magazine (Vol.194/No.3).