Vintage Rhinestone Ring Lot Mid Century Modernist Atomic Era Brutalist Uncas Faux Opal MCM

Lot of 3 gorgeous vintage mid-century modern atomic era sculptural cocktail rings. 2 are solid shanks, 1 is slightly adjustable shank (I would not recommend bending vintage rings too much as the metal can break). TYPE: 3 rings SIZE: about a 6 (faux opal), about a 6.5 or 7 slightly adjustable (citrine rhinestones), about an 8 (silvertone with black lucite and clear rhinestones) AGE: 1950's-60's MATERIALS: glass, crystal, gold plated metal, silvertone metal, faux opal (possibly real? untested), black lucite, faux pearl HALLMARK OR OTHER MARKS: 1 unmarked (citrine rhinestones); "18KT HGE" + U arrow mark for Uncas (faux opal); "HMS" + "18KT HGE" (HMS is possibly mark for Madeira Jewelry)--(silvertone with black lucite and clear rhinestones) CONDITION: good vintage condition with some surface wear and patina to metal; surface wear to faux pearls on topaz/citrine rhinestone ring Keywords: MCM, mid century modern, modernist, brutalist, rhinestone, atomic era, faux opal, glass, gold plated, Mad Men, cocktail rings, rhinestone, rhinestones In great vintage condition with minor wear. All parts and mechanisms are working unless noted. Hallmarked or other items not tested for metal content unless explicitly noted in the description. Items have not been cleaned and may have age or storage soil, metal or finish wear, nicks or fleabites to glass/ceramic, crazing, tarnish, spots of verdigris or patina consistent with age. Any major damage I notice will be noted in description but please remember that all vintage items may have wear and tiny spots of damage due to age. All items are used vintage unless otherwise noted. Thanks for looking!