Hello,
I purchased a lot of vintage sterling, and included were a group of bracelets with Up Top STERLING marked on them. I tested with 18k acid and tests silver. Has anyone heard of this? I thought it meant silverplate, perhaps that is a maker? Any insight is appreciated.
[img][url=https://postimg.cc/JGh7pYLj][img]https://i.postimg.cc/JGh7pYLj/20190903-162139.jpg[/img]
[img][url=https://postimg.cc/NLDf7qWg][img]https://i.postimg.cc/NLDf7qWg/20190903-162244.jpg[/img]

