Create an image in the pointillism style, which was popular during the post-impressionist era and primarily accomplished using dots of pure color. The image should depict a pure and unblemished male lamb of the first year, reflecting the passage from Exodus 12:5. The setting is among the sheep or goats in a peaceful and natural environment. The overall tone of the image should be respectful and devotional towards Christianity, embodying a spiritual serenity but without any text or words.