Description The Edison Menlo fountain pen in Blue Grotto features silver-plated trim and a silver #6 steel nib engraved with the Edison logo. The Menlo fountain pen was added to the production line in mid-2020. The Edison Menlo fountain pen uses either the included standard international converter, or short standard international cartridges for your convenience. The nib options for the pen range from steel EF through Broad, plus 1.1mm and 1.5mm stub sizes, or upgrades to an 18kt nib are available. Please Note: Some 18kt nibs are special order and will take an additional 7-10 days for delivery. Please note: Edison is undergoing a rolling change in their gold plated and regular 18kt gold nibs - Two tone nibs are being phased out in favor of Single tone gold plated or single tone 18kt gold. Some nibs are only available in single tone gold. If this is a concern, please email or call for more details.