![Any ideas on what this vintage costume jewelry makers mark is? Looks like a lower case n above a crystal or stone and then a lower case m below that. : r/Vintage_Jewelry Any ideas on what this vintage costume jewelry makers mark is? Looks like a lower case n above a crystal or stone and then a lower case m below that. : r/Vintage_Jewelry](https://preview.redd.it/any-ideas-on-what-this-vintage-costume-jewelry-makers-mark-v0-k1yjezvmf71a1.jpg?auto=webp&s=f0da9547cfb66669fd9e0d739853d30cb525abec)
Any ideas on what this vintage costume jewelry makers mark is? Looks like a lower case n above a crystal or stone and then a lower case m below that. : r/Vintage_Jewelry
![The Napier Co.: Defining 20th Century American Costume Jewelry by Melinda L. Lewis (2013-05-03): Melinda L. Lewis, Henry Swen, Caroline Crystal, Katerina Musetti, Mary S. Laird, Mark M. Lewis, Pat Seal, Dotty The Napier Co.: Defining 20th Century American Costume Jewelry by Melinda L. Lewis (2013-05-03): Melinda L. Lewis, Henry Swen, Caroline Crystal, Katerina Musetti, Mary S. Laird, Mark M. Lewis, Pat Seal, Dotty](https://m.media-amazon.com/images/I/51KalUFrO2L._AC_UF1000,1000_QL80_.jpg)
The Napier Co.: Defining 20th Century American Costume Jewelry by Melinda L. Lewis (2013-05-03): Melinda L. Lewis, Henry Swen, Caroline Crystal, Katerina Musetti, Mary S. Laird, Mark M. Lewis, Pat Seal, Dotty
![Costume Jewelry (DK Collector's Guides): Miller, Judith, Wainwright, John: 9780789496423: Amazon.com: Books Costume Jewelry (DK Collector's Guides): Miller, Judith, Wainwright, John: 9780789496423: Amazon.com: Books](https://m.media-amazon.com/images/I/81GNzypXUjL._AC_UF1000,1000_QL80_.jpg)
Costume Jewelry (DK Collector's Guides): Miller, Judith, Wainwright, John: 9780789496423: Amazon.com: Books
![1000+ images about Fine Jewelry on Pinterest | Makers Mark, Gold ... | Costume jewelry makers, Jewelry design drawing, Girls jewelry box 1000+ images about Fine Jewelry on Pinterest | Makers Mark, Gold ... | Costume jewelry makers, Jewelry design drawing, Girls jewelry box](https://i.pinimg.com/736x/4f/fc/da/4ffcda83db1aa949572c86f7de7e9f71.jpg)