Constantine’s Conversion and Old Saint Peter’s

Vision of Constantine,Sala di Costantino, Vatican Palace

Vision of Constantine, detail

The labarum (chi-rho and wreath on military standard)

Battle of the Milvian Bridge: Sala di Costantino, Vatican Palace

Milvian Bridge

Constantine’s Dream, SS.Quattro Coronati, 13th c.

St.Sylvester Shows Portraits, SS.Quattro Coronati

Portraits of Peter and Paul SS.Quattro Coronati

Icons of Peter and Paul, 7th c., Sancta Sanctorum

Constantine Founds St. Peter’s, Sala di Costantino

Baptism of Constantine, SS.Quattro Coronati

Brick stamp from Mausoleum of Hadrian

OSP, 4th c. brick stamps

OSP, 4th c. inscription

Calendar of 354 (= Calendar of Philocalus)

Martin Van Heemskerck, St.Peters, 1530s Heemskerck, St.Peters, showing OSP remains in orange

OSP, remains of 4th c. basilica in situ

OSP, reused columns

OSP/NSP plansNecropolis in plan and section beneath

OSP and NSP

Pavement levels: 5=Constantinian basilica; 6= present basilica

OSP. Foundations and floor in section: 4= Constantinian basilica

*OSP construction phases. 320s? OSP, plan with excavated foundations

*OSP. 3 phases seen from east.320s?

*OSP reconstruction looking east.320?

*OSP. Apse and transept from south.320?

*OSP .transept from south.320?

*OSP nave.320?

*OSP section.320?

*OSP. Reconstruction of Constantinian shrine and apse.320?

*Pola Casket, early 5th c.

OSP, Constantinian shrine and apse Pola Casket, early 5th c.

*OSP, reconstruction of Constantinian Shrine looking east.320?

OSP, Constantinian Shrine remains

OSP

*OSP, spiral column. before 320 A.D.

Spiral columns: one in Bernini’s baldacchino, eight in reliquary tribunes

*OSP plan .320?

*OSP section

*OSP nave elevation.320? *OSP nave colonnade.320?

OSP, composite capital, Renaissance drawing

OSP, profiles of bases, Renaissance drawing

OSP, columns marked. From Peruzzi’s 16th c. drawing

OSP marble columns

Africano/Lucullan

Portasanta

Cipollino/Carystian

Troadic granite

Red Granite OSP marble columns

Baths, RomeForum

*Baths of Diocletian, 306 A.D.

*Baths of Diocletian, 306 A.D. (=Sta. Maria degli Angeli, Michelangelo, 1560)

Baths of Diocletian, 306

Basilica of Maxentius and Constantine, 312

OSP Basilica of Maxentius and Constantine

OSP Basilica of Maxentius and Constantine

OSP 320? Curia 290

OSP Pantheon

OSP Pantheon

NSP, red granite columns from OSP in south transept

NSP facade

NSP. Main entrance with Africano columns from OSP

NSP. narthex with cipollino columns (back) and granite (front) from OSP

OSP Temple of Mars Ultor

Coin. Constantine, 313. with his companion sol invictus (the unconquered

sun)Coin. Constantine,337