Antique 1800s hand painted miniature collectibles portraits Set of 2

Beautiful set of 2 Antique miniature portraits One of them is artist signed Frames may be bone inlay/ivory? Overall in good vintage preowned condition Right one has a couple of cracks in front frame pieces A couple of spots also individual pieces are higher level in corners . Please review last 4 pics! Please review all pics and video as part of description! Antique , French , collectible, miniature, portraits, art , history ,