Leonardt IIIEF is not a flexible pen, but nice to write, for example, minimalist manuscripts.
Suitable nib holders: all straight pen holders, and Nikko G Oblique holders
(price per nib)
Shipping costs NL&BE: €4.95 & Free shipping when you spend €50
Shipping costs DE: €6.95 & Free shipping when you spend €100.
(for orders under €10, shipping costs are €7.95 (BE €9.95))