There are interesting frescos of knights in Iwein at Schloss Rodenegg (Rodeneck), 1215-1220, Northern Italy.
Iwein is a Middle High German verse romance by the poet Hartmann von Aue, written around 1203. It is Arthurian tale adapted from Chrétien de Troyes' Old French Yvain, the Knight of the Lion, it tells the story of Iwein (Ywain), a knight of King Arthur's Round Table.
There is a large image of Aschelon and Ywain fighting with lances, in flat-topped-helmets with facemasks and brigandines.

MIRROR SITE
Frescos of knights in Iwein at Schloss Rodenegg (Rodeneck), 1215-1220, Northern Italy

Druzhina
13th Century Illustrations of Costume & Soldiers for comparison.

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