vintage MMA-SRM gold tone lotus small picture frame back plate missing

Small matte gold tone metal picture frame shaped like a lotus leaf, with a stem coming up the front with a black colored cabochon. Missing the back plate and glass inset, but you could still pretty easily secure a picture in there. In otherwise good condition. Frame measures approximately 2.5" tall and 2 3/8" wide. Picture slot is circular, with 1 1/8" diameter. MMA items are from the Metropolitan Museum of Art.