Marius Hammer Black Enamelled Butterfly* - Nouveau Deco Arts
Butterfly Brooch Large Marius Hammer 1920's – Kookaburra Antiques
Marius Hammer Art Deco silver gilt and enamel Norwegian butterfly brooch.
Norwegian .930 sterling and enamel butterfly brooch, Marius Hammer, 1847-1927 | Strauss & Co
MARIUS HAMMER. brooch, sterling silver and enamel, butterfly, Bergen Norway, first half of the 20th century. Jewellery & Gemstones - Brooches & Pendants - Auctionet