Agnolo Gaddi (active by 1369, died 1396)
The Trinity

Probably 1390-96
Tempera on wood, gold ground
Metropolitan Museum of Art, 41.100.33, Gift of George Blumenthal

The Throne of Mercy is an iconographic type introduced in the 14th century and popular in the 15th and 16th. The Father presents the son he sacrificed to the viewer, while a dove representing the Holy Spirit perches atop the crucifix and a symbol of mankind, in this case Adam's skull, sits below.

Read more about images of the Trinity.
Read about Agnolo Gaddi.

Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.