CH871734:
Detail of The Crosby Garrett helmet, late 1st-2nd century AD (bronze) (see also 871728-33, 396159, 482018 & 413093-94), Roman / Bridgeman Images
GIA4770793:
Low Roman relief depicting a birem. A crocodile can be seen below the bow. Vatican, città del Vaticano, monumenti, musei e gallerie pontefici., Roman / Bridgeman Images