Montblanc Writing Accessorises Meisterstuck Around The World in 80 Days 50ml Blue Ink Bottle 128075. Montblanc Special Edition Ink bottles come in square packaging that evokes concepts and themes of each collection, making them valuable collectible gifts for Montblanc enthusiasts. The colour of the Special Edition Around The Wold in 80 Days is inspired by the blue of the Mediterranean sea.