Vintage ODI Old Dutch International Copper Fish Mold/ wall hanging. Marked ODI, Made in Korea.
Measures 10 3/4" L X 4 3/4" W X 1/2" deep (very shallow mold unless your making chocolate.....)
Pretty nice shape, copper is still very shiny, does have a few scratches on front. See the photos. The back a more oxidized patina. Also has three small holes on the bottom, not sure what they are for.