4952. Unique Art Glass and Metal Company, Brooklyn, NY – Periwinkle floral design leaded glass lamp. When Louis Comfort Tiffany’s patent on the copper foil / leaded glass technique expired in 1903, Unique Art Glass and Metal Company was one of several companies that adopted Tiffany’s techniques and competed directly with Tiffany Studios. Unsigned. Excellent condition. 22″h x 16″d SOLD