Montblanc SimPlo 324, Black glossy celluloid and gold plated, 1938-40, germany, button filler, 14K nib
Watch & Write boutique, swiss fountain pen reference - A nice trio of 1930's Montblanc marbled celluloid pens. Don't mind the wrong clip on the last one 😅. All available, sweet prices
Montblanc Vintage 324 Black and Pearl Celluloid Fountain Pen
MONTBLANC 2007 Alexander von Humboldt Patron of Art Limited Edition 324/888 M | eBay
Celluloid Collectible Montblanc Fountain Pens for sale | eBay