Santi Gregorio Magno e Mattia (c.1428-1429)

Masolino da Panicale (c.1383-c.1440)

Santi Gregorio Magno e Mattia (Saint Gregory? and Saint Matthias)
c.14281429
Tempera grassa and oil on poplar, transferred to fibreboard, 126.3 x 59.1 cm
National GalleryLondon

The other side of the same panel:

Masaccio (1401-1428)
Santi Girolamo e Giovanni Battista
c.14281429
National GalleryLondon

 

 

See also:

Gregory the Great, St., Pope Gregorius I (c.540-604) | Santa Maria Maggiore (Roma)