Late Art Deco period 1938 Kosta (before it became Kosta Boda) in Quatrefoil shape, clear glass vase – fantastically heavy over 2 kg, 15 cm tall and 13 cm diameter at the top. Marked on reverse although challenging to read possibly: Kosta 1938 and 1399 or B99. I tried to establish the artist/designer, possibly Elis Bergh but please do your own research. Free UK postage. 

Cloudy marks left on glass by water inside and use (apologies if not clearly showned, very difficult to photograph), scratches on the bottom consistent with age and use and 1 tiny fleabite on the rim, please have a good look at the photos.