Base Metal lots are available at auction on LiveAuctioneers. heirloom-worthy Base Metal works. This unique Base Metal selection offers an extensive selection of remarkable items such as Paintings, Brooches & Pins, Prints & Multiples, Mixed Media & Collages, Watches, and more. If you’re looking for other alternatives, many shoppers also enjoy exploring works in other trending materials/ techniques such as oil, paper, canvas, and watercolor.