OOAK - One of a Kind, no other earring exactly like this! Green stone with raw brass, so they will patina over time (which I think ideal but you can also shine it up like you would with sterling silver).
Packaged on a small card in a gray velvet bag, wrapped in bubble wrap for shippingRegular (first class) USPS mail is slow right now. Your free shipping is regular/first class but does include tracking. If you'd like this to arrive by Mother's Day, please upgrade to priority shipping.