Boat with a battlemented erection at each end. Alexander the Great in a glass diving-bell, from the <i>Romance of Alexander</i>.
Jehan de Grise and his workshop (illuminator)
between 1338 and 1344 <div style="display: none;">date QS:P,+1350-00-00T00:00:00Z/7,P1319,+1338-00-00T00:00:00Z/9,P1326,+1344-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://image.ox.ac.uk/images/bodleian/ms.bodl.264/50r.jpg">Oxford, Bodleian Library, ms.264, f50r.</a>