A nice lady pen post WWII era and it was made in France. That grey marbled color was deoxidized with success. And now it shines pretty much ! フランスの "Gold Starry…
Pens - stylo gold starry plaque or et boite d origine etat neuf
Sailor Professional Gear Slim Fountain Pen - Red Supernova/ Starry Blue With Glittering, Reflective Particles, 14k Gold Nib - Fountain Pens - AliExpress
Visconti Van Gogh Fountain Pen - Starry Night - The Goulet Pen Company