This article presents a corpus of archaeological artefact discovered during an excavation in one of the towers of the urban surrounding walls of the fortified complex of Coucy-le-Ch√Ęteau, and in its adjacent rampart. The collected furniture was discovered in the fill layer of the tower and in the soil of the rampart. This fill layer results from a military development carried out in 1552 in order to reinforce the defence of the fortified site of Coucy, and has revealed a batch of artefact with a unique density and a great chronological consistency (end of XVth century-First half of the XVIth century). The artefact presented here could be used as a reference for a geographic area that still lacks proper documentation for this specific period.