Millefiore glass from the glasshouse of Bernard Perrot (Bernardo Perrotto) which was located in Orléans, France. Perrot was an Italian glassmaker working in France with a career that ran roughly from 1680 until his death in 1709. Along with the Orléans glasshouse he also had a retail shop there and another one in Paris.

Millefiore shaft. 17th c. French/Italian. Created at the Glasshouse of Bernard Perrot with Venetian elements. Collections of the Metropolitan Museum of Art, New York. In the public domain. via https://www.metmuseum.org/art/collection/search/186332
Millefiore knife handles with an assortment of composite canes including several of the Maltese Cross, on a ground of scrambled lengths of colorful filigree and ribbon, mounted with later steel blades. 1650-1700. French. Glass. Maker’s marks: Knife blades marked for John Dobby, Wych Street, Strand. Image © Bonhams 2001-2020. Fair use license. via https://www.bonhams.com/auctions/26314/lot/88/?category=list&length=236&page=1