rare and highly desirable early 1930's vintage american art deco style amber colored pressed ornamental glass ceiling fixture or wall sconce slip shade. the multifaceted pyramidal top slip shade was designed and patented by glenn e. mcfadden around 1930-32. the deep bowl shade was manufactured by the lincoln manufacturing co., detroit, mi. each panel contains segmented floral motifs flanking a central rosette. only four shades available. priced individually.