Richard vase with black butterflies by the Loetz glassworks around 1920

Richard vase with black butterflies by the loetz glassworks around 1920. Orange and black (actually dark blue) two-tone multilayer glass decorated with plant motifs and acid-clear butterflies. In perfect condition. No shine (collar and base impeccably smooth and soft at the passage of the finger) Richard is a registered trademark of edmond etling for glassworks made by loetz in bohemia and marketed in france. 13.4 cm at the neck, 20 cm at the rumen and 11.2 cm at the base for a height of 21cm and a weight of 1.5kg.