It is nice to find a Parker Sonnet with an 18k gold nib. We think most of them are plated steel these days. That would seem to date this pre-owned pen a little. Solidly built, this pen shows a some wear in places, but it is in great shape. It comes with a Parker converter, but it also can use Parker cartridges. Click the headline for close-ups. You will write a smooth broad line when you find the sweet spot. This pen also squeaks a little as it writes and can get a little scratchy outside of its sweet spot. 13.4cm capped.