Curious if anyone knows what this hallmark is. I've googled for hours and can't find anything resembling it. Thank you. https://scontent-sea1-1.xx.fbcdn.net/v/t1.0-9/39453109_10156496932077410_5693674664967012352_o.jpg?_nc_cat=0&oh=320e0f82dac6fa914b3e927a83961a85&oe=5BEDE85C