The usual images available for 14th Century Flemish soldiers on the Courtrai or Oxford Chest (Kist van Kortrijk) are a set of small black and white scans.
I have found 2 sets of large coloured photos that cover a large portion of the chest:
Photos by Rex Harris
The arrival of Guy of Namur and William of Jülich at Bruges
The town militias formed on the battlefield
The siege of Wijnendale Castle
A French knight at the Battle of the Golden Spurs
The Flemish line of battle during the Battle of the Golden Spurs
Photos by Kotomi
The arrival of Guy of Namur and William of Jülich at Bruges
Tower
The Flemish line of battle during the Battle of the Golden Spurs / The collection of the booty: the golden spurs
MIRROR SITE
The Courtrai or Oxford Chest (Kist van Kortrijk)
Druzhina
Illustrations of Costume & Soldiers
