Nils Landberg Crystal Bowl Orrefors Sweden 1960s

Rare crystal glass bowl in midnight blue by Nils Landberg for Orrefors, Sweden, 1960s.
 
This series was usually not produced with polished edges. Signed on the side „Orrefors NA 3969/3“ and remains the original faded sticker.
Three small chips on the inner edge, see photos.
 
Diameter: 13.5 cm
Height: 4.3 cm