When Michelle de Lacaise throws her champagne glass into the fireplace, the glass shatters, but actually lands in the chair, not breaking nor making a shattering sound.
The painting that the Barkley boys plan to give to their mother is, as they say, by the famous western painter, Charles M. Russell. However, this show took place in the mid-1870s, when Russell (born 1864) was only about 10 or so, and had not yet begun his famed career in western painting.
When Audra goes to the orphanage, Mary has a Raggedy Ann doll, which didn't exist until 1918.