Saint Peter Martyr Altarpiece of Fine Arts in Budapest, already in the Esterhazy collection. The altarpieces also had to have a predella each, now all lost. In 1961 the National Gallery dismantled the panels by reconstructing them into two separate altarpieces. Saint Peter Martyr Altarpiece The St Peter Martyr Altarpiece or Minor San Domenico Altarpiece is a 1476 altarpiece in tempera and gold on panel by Carlo Crivelli. Its central panel of the Madonna and Child, signed "OPVS CAROLI CRIVELLI VENETI", is now in the Museum of Fine Arts in Budapest. The altarpiece's other panels ("Michael the Archangel", "Saint Jerome", "Saint Peter Martyr" and
Early Netherlandish painting reflection and prayer was encouraged and the small-scale diptych fitted this purpose. It became popular among the newly emerging middle class and the more affluent monasteries across the Low Countries and northern Germany. Ainsworth says that regardless of size, whether a large altarpiece or a small diptych, Netherlandish painting is a "matter of small scale and meticulous detail". The small size was meant to entice the viewer into a meditative state for personal devotion and perhaps the "experience of miraculous visions". Late 20th-century technical examination has shown significant differences in technique and style between the panels of individual diptychs. The