Ive havent seen another one quite like this.....I believe it is by Kralik or Loetz about c1910 and rather large. Iridescent exterior and beaded metal rim.....gilt brass? I am also guessing it is a toast rack or flower box? Displays very well and shows the rainbow iridescence with light on it! Excellent condition. About 9 1/8" long, 4" wide and 3 1/2" or so tall.
Antique Loetz Kralik Iridescent Art Glass Vase Box