Composition in black tones, white, green and blue. Predominance of sketch lines and some shaded. It depicts the First Mass in Brazil. In the center of the composition, altar diagonally from the left to the right and from front to back, having on the left a kneeling figure at the center a priest standing with arms raised in the air and on the right, another figure on his knees. On the right behind the priest and a little away, kneeling figure in profile to the left. At the bottom, on the right and on the left, two groups of people outlined.