(Top) Unmarked brass disk coat button.
(Bottom Left) Brass disk button stamped on back "EXTRA/ BEST COLOUR" (post ca. 1795; Hinks 1995)
(Bottom Right) Brass button back with a Sanders shank and a "PERFECTIONNE/ PARIS" backmark. The manufacturer of this button is unknown, albeit the Parisian firm of Viette & Gourdin did use the term "PERFECTIONNE" on their button backmarks during the early 1840s (Tice 1997: 78). The stamped domed face of this button is missing.