Lemaire Paris Mother of Pearl opera binocular.
Lemaire begun in 1846 in Paris by Armand Lemaire. They produced a variety of optical apparatus including binoculars.
It has been tested and it works well. Cosmetically it shows wear consistent with normal use as seen in the pictures. There is some visible tarnishing to the metal pieces. There are also some scratch marks on the lenses as well.
Lemaire Opera Binoculars