Vintage Gold Tone Minimalist Twisted Circle Brooch Pin Grandma's Jewelry

Unmarked. Vintage, era unknown. This belonged to my Grandma who was born in 1932. I don't know much about it aside from it was in her collection of jewelry. Non-smoking, no cat home. We do have Great Danes, but we don't allow them to wear brooches. Shop with confidence - I am a multiple year Posh Ambassador II with an average same day ship time & 5 star rating!