Giotto
Judas and the Chief Priests

1305-1306
Fresco
Arena Chapel, Padua

This episode is narrated in the synoptic gospels (Matthew 26:15-16, Mark 14:10-11, Luke 22:3-6). Inspired by Satan on the left, Judas Iscariot makes a deal to betray Jesus for 30 pieces of silver, which are in the bag in his left hand.

This panel is on the chapel's triumphal arch.

Read more about images of Judas.

Source: this page at Wikimedia Commons.