lot of six matching elegantly designed yellow cast brass antique american interior residential passage door keyhole escutcheons designed and fabricated by the p. & f. corbin company or possibly yale & towne. the matching escutcheons feature intricate leafage, beaded borders and large palmettes. the lightly cleaned cast brass escutcheons were salvaged from a chicago graystone residence undergoing demolition. each diminutive keyhole contains two screw holes for mounting flush against the door. great overall condition. priced for the lot.