Board Thread:Questions and answers/@comment-30049823-20191123061932/@comment-26431461-20191123165219

I found them, after searching for quite a while. https://www.aliexpress.com/i/32951670777.html

Not sure of the origin. It is also possible that they are using the incorrect stock images, since there's one that has an "H" logo on it as well. I'll take it that yours don't have those on the back either, since the other stock images do not have anything on the back of the rounds.