Vintage Sterling Silver ? Rose Ring Size 5

Unmarked as far as I can see. This was from the estate of a 94 year old woman who had quite the jewelry collection. My best guess is that it is sterling. ~ New to Poshmark? Use referral code SUNRISEPICKERS for $10 off. ~ Orders ship within 24 hours ~ Smoke-free ~ Highly rated experienced seller. ~ Selling online since 2003. ~ sunrisepickers.com