Ancient Egyptian silver snake ring, dated to the Roman period, or 30 BCE-323 CE.
Do you ever think about students at Hogwarts when they're out shopping they think they only have to buy things that fit with the aesthetic of their house? "Mom, I want to get this green sweater and silver snake ring." "Honey, I thought you liked purple and dolphins?" "I'm a Slytherin now, Mom! It doesn't work like that!"