19 inch tall Masthead light, copper with iron hanging loop, clear glass Fresnel lens, with multiple cracks. Made in Goteborg, Sweden, possibly 1948. Originally for an oil lamp, which is missing, but easily adapted for electric light, see pictures with temporary light. Stamped "AKTIEBOLOGET NAUTIC GOTEBORG" and serial number G14159. Lens is engraved "GHJK14159 19-8-48" The copper has an interesting patina, but could be polished. The hanging loop is rusted iron. Weight about 14 pounds, 6 kg.