Oil on canvas, 124.5cm by 94cm.
Saint Peter is depicted in his traditional blue and yellow robes with the keys to the kingdom of Heaven, given to him by Jesus, at his side.
Regarded as the first Pope of Rome, he was put to death by the Emperor Nero, requesting to be crucified upside down, as unworthy to be crucified in the same manner as Christ.
The painting was acquired by Brownlow, 9th Earl of Exeter (1725-1793) from the Barberini Palace in Rome.
Antiveduta Grammatica was born in either Siena or Rome.
He worked mostly in Rome, where he became a member of the Accademia di San Luca, in which he eventually held high office.