Here is a picture with a remnant of A. Seguso's stock label. As you can see, it is more pointed instead of round. I went through some of my label photos and found an A. Seguso circular label that had lost it's upper layer, so it was white. It looked like yours. It is probably the label I was thinking of (mentioned in last message). I think yours is a stock label since it has the number written on it. But for who I don't know.