Vintage glass and metal world map for Perrina, circa 1960

Antique world map lamp made of glass, paper, and chrome/green lacquered metal, circa 1960. The paper map glued to the glass globe is damaged in a few places (see photo). The chrome-plated metal hoop and the green lacquered metal base are in good condition. The electrics are original. It is signed but not dated. It measures 30cm in height and 21cm in diameter. It lights up in orange.