Antique picture frame will accommodate a 16 x 20 inch painting. Hand carved with finished corners displaying a bronze metal coloration along with extensive sgraffito work in the flat panel areas. Looks completely gilded, flat panel sections painted black, then incised with Renaissance Revival style motif / design. Overall, its Arts & Crafts period / Aesthetic Movement.
Ive seen similar frames by Newcomb Macklin and Carrig Rohane. I could envision the frame on an Emil Carlsen still life with hammered metal pot, a portrait by Chase or Duveneck, a landscape by Arthur Wesley Dow, ...