SilverTowne has a long and rich history starting out in 1949 as a coin shop and to growing into a major enterprise in the bullion market. They continue to produce huge amounts of bullion bars today out of Winchester, Indiana. Here’s a neat link to some of their history. https://www.silvertowne.com/t-SilverTowne-History.aspx. In addition, http://www.allengelhard.com has some very good information with estimated mintages on various size bars. Here are a few from my collection.
Vintage Silver Bars 