[Golden Dragon Flag ] image by David Lawrence. Find fresh Black Dragon Flag designs created by independent artists. Spreadshirt has a massive selection of Black Dragon Flag T-Shirts for any occasion. The flag of Wales consists of a red dragon passant on a green and white field. As with many . The flag of Saint David, a yellow cross on a black field, is used in the emblem of the Diocese of St David's and is flown on St David's Day. In recent.