Vintage 18k Yellow Gold Rectangular "Woman and Lyre" Portrait Ring

Beautifully hand crafted ring featuring an impressive rectangular portrait of a woman in drapery leaning against a pillar strumming a lyre. The rightmost side of the portrait is engraved with the unidentified artist's signature. The interior of the band has partial traces of hallmark's and maker's marks which are now illegible.  ID#: RG976 Metal: 18k yellow gold  Size: 8 Dimensions: 28.8mm x 15.5mm x 1.0mm  Band Width: 3.16mm  Weight: 8.92g