Rogier van der Weyden.
c.1460. Oil on panel. Stadelsches Kunstinstitut, Frankfurm am Main, Germany. More. [Order a Print][Order a Hand-Painted Reproduction]
The Virgin Mary stands with St. Peter and St. John the Baptist on her right and doctor saints Cosmas and Damian on her left. Lilies in the foreground symbolize the purity of Mary