Translations for chatelaine in French

Here are paragraphs from public domain books translated:

"I do not care for the Louis XV chatelaine, as I doubt its authenticity."	« Je ne tiens pas non plus à la châtelaine Louis  XV dont l’authenticité me semble douteuse. »
The Extraordinary Adventures of Arsene Lupin, Gentleman Burglar, by Maurice Leblanc	Arsène Lupin gentleman-cambrioleur, de Maurice Leblanc