Abstract pattern with FPF crest, a cultural symbol of Portugal, the CRUZ DE CRISTO. CRUZ DE CRISTO https://www.google.com/search?q=cruz+de+cristo+portuguesa&sxsrf=ALiCzsY6y7XBoACauNWNsNhCJaHpf1aanQ:1670550876393&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjC8cL8tuv7AhXCxoUKHccPAasQ_AUoAXoECAEQAw&biw=1920&bih=929&dpr=1#imgrc=v1oYDtrjcLUMAM