Western European Metal Artworks Hippopotamus Hippopotamus Sweden, Stockholm 1957 Ateljé Borgila Gold, ivory, sapphires; casting, chasing 5.5 x 7.3 cm, 414.3 g Hallmarks: Maker's mark BORGILA; Date letter G9; fineness mark 18K; National mark – SWEDEN; City mark 5258MC235/ДПИ