SILHOUETTE Vintage Designer Frames SPX M1861 /20 Full Rim Glasses Eyewear
Model SPX M1861 /20. Inside arm states SPX M1861 /20 6051 54 12 130. Silhouette. Pattern to top and edges of rim. Full rim. Found during a clear out of my mother's bedroom. Bought in the USA many years ago and owned from new.