Bohemian crystal soliflore vase

This beautiful soliflore has a modernist, geometric, very original shape: a pentagon base, the top cut bevel and the urn part for water forming a kind of green elongated drop, all creating amazing mirror effects in the glass. It has a stamp engraved at the top of the vase, partially erased, but it can still read "bohem", so it is probably bohemian crystal, especially since its weight is relatively heavy for its size. It is well balanced. It probably dates from the 70s or 80s and does not hide some signs of its age: small discreet stripes, two or three tiny chips on the edges and 2 larger chips on one side (slightly protruding on the edge). It also has some original "defects": small air bubbles, sign of a craft work (difficult to say if there are two or three with this famous mirror effect!). It is 30 cm high, its base is 7 cm wide. It weighs about 1.65 kg.