Montblanc Ink bottle 50 ml, Red. 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 color of the special edition Homage to Arthur Conan Doyle is inspired by his novel A Study in Scarlet, which marks the first appearance of the famous detectives Sherlock Holmes and Dr. Watson.