Vintage Signed Brutalist crystal Brass Copper Cuff

Vintage Signed Brutalist Signed Brass Copper Cuff This gorgeous piece is made out of mixed metals and also features a wrapped Quartz? crystal (great if you are interested in reiki or crystal healing) Hand Crafted and signed, the inside also features an abstract woman's face etched into the band. I can't make out the name. 2.5" Diameter, 2" from front to gap. 0.6" Tall Some bend and flexibility Excellent vintage condition.