I think this 10" vase is either by St. Louis or Baccarat, in green uranium and white "pāte de riz" glass. It has probably been cut down as the rim is ground and not the usual fire polished finish, although the sides of the top section are straight and not curved as I might expect. The bottom of the top section is also closed off where it meets the green and the base is quite wide at 5" for a vase of this height. There's not one like it in Christine Vincendeau's book.