Here is a beautiful vintage Willi Nonnenmann sterling silver filigree butterfly pin. On the back it is hallmarked Sterling Germany with Nonnenmann's logo which is an "N" over a "W" in an oval. It measures about 1 5/8 inch across and about 1 1/2 inch top to bottom. This lovely piece is pre owned but in good condition ready to wear. Please check my photos to see for yourself and check out my Ebay store to see other jewelry I'm selling. Thanks for looking!