Oberkirsch Copper Designs Wedding Vase In Shadowbox Frame Vintage Signed JM. Beautiful Native American wedding jar design with copper and other materials and the tassel has a bluebird on it. This is from the Oberkirsh designs. Signed JM in the bottom corner. This one is a little over 10“ x 8“ x 1 1/2”. This is double matted with a light yellow and teal colored matting. The glass frame does have some small spiderweb scratches in it. Please look at the pictures for what you will receive.