On the cover of the Domnach Airgid is one of the earliest surviving metalwork images of St. Patrick. Traditionally, the book was claimed to be that given by St Patrick himself to his companion St Macartan, making it an object of great veneration.
The front cover of the Domnach Airgid is an early example of metalwork art depicting St. Patrick. The book has long been considered a gift from St. Patrick to his friend St. Macartan, leading to its high status as a sacred relic.