Franklin-Christoph 03 Iterum in Coco and Créme with an EF SIG Nib: A Review

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(Susan M. Pigott is a fountain pen collector, pen and paperholic, photographer, and professor. You can find more from Susan on her blog Scribalishess.)

The Franklin-Christoph Iterum is a medium-sized fountain pen in acrylic with a screw-on cap. The pen comes packaged in a Franklin-Christoph cardboard box and a zippered leather pen envelope.


The Iterum’s body and cap are cylindrical with a flat finial and barrel bottom. The grip tapers down from the barrel and the cap threads are near the nib—out of the way but also providing a lip to prevent your fingers from slipping.


The Coco and Créme acrylic is a deep brown with shimmery swirls of cream. It’s a subtle pen, and I love the colors which remind me of hot chocolate or a well-brewed cappuccino.


The cream-colored finial is embedded into the cap and is engraved with the Franklin-Christoph logo. One reason I chose the Iterum model is because I liked the complementary colored finial.


The clip is rhodium-plated with four F-C diamonds engraved. It is a fairly stiff clip, so it will keep the pen secure on a shirt pocket or a thin tablet.


The only other adornment is “Franklin-Christoph 03” lightly engraved near the base of the cap.


The pen is a size I think most writers will find comfortable. Unposted, it is 5.01 inches in length, 6.91 inches posted, and 5.5 inches capped. The pen is quite light (25.79 grams), so posting shouldn’t present a weight problem. But because the cap doesn’t post deeply, the pen feels unwieldy posted.

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Like many Franklin-Christoph models, the Iterum can be filled via cartridge, converter, or eyedropper. If you choose to eyedropper this pen, it will hold a lot of ink. I eyedroppered one of my other Franklin-Christoph pens, but I found it messy and inconvenient (plus it can stain lighter acrylics). So, I use the provided converter. Yes, I have to refill the pen more often, but I like that there’s less mess.

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The nib I chose for this F-C pen is an EF steel SIG nib. SIG stands for “stub italic gradient.” Essentially it’s an extra-fine italic with the corners smoothed so that it is in between a cursive italic and a stub nib.

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The EF SIG nib obviously doesn’t show as much line variation as a broader nib would, but I like that it offers a little more character than a regular EF nib would. Unfortunately, this particular nib is a little scratchy compared to my other F-C nibs, but I think that’s because it’s an EF. I’m accustomed to F-C medium italics.


The Iterum is no longer available in the Coco-Créme color. I got one of the last ones before the color was retired. You still have several color options, though: black and maroon, emerald and white, smoke and maroon, or ghost and smoke. Prices for this pen depend on what nib you choose. If you purchase the Iterum with a basic steel nib, you’ll pay $175. For one like mine with a SIG nib, you’ll pay $185. 14k nib options start at $265 for regular nibs and $285 for Masuyama nibs. See the Franklin-Christoph Iterum page for all the options.

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I now own three Franklin-Christoph pens: the Marietta (model 20), the Stabilis (model 66), and the Iterum (model 03), and I love them all. I like the Iterum’s size, shape, and styling.


  • The Iterum is a pen style that I think most people will like. It’s a medium-sized pen with a comfortable grip.
  • The Iterum comes in a variety of acrylic colors with complementary finials.
  • I think one of the great benefits of buying Franklin-Christoph pens is the wide variety of nib options. I really like the SIG nib grind because formal italics can be too sharp and stubs can be too rounded. The SIG is nicely in between. Plus, those of us who can’t get to pen shows to have Mike Masuyama grind nibs for us, can still experience his workmanship via Franklin-Christoph. Note that you can’t purchase Masuyama nibs separately; you have to order a Masuyama nib along with a pen. All the other nibs are available for purchase separately.
  • Another advantage of Franklin-Christoph pens is the three different filling options.


  • Honestly, the only possible negative I can think of with Franklin-Christoph pens is how light they are. I personally prefer pens with some heft to them, but I find the Iterum incredibly comfortable to write with. I’d much prefer a pen to be light rather than so heavy it’s uncomfortable.

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Posted on November 17, 2017 and filed under Franklin-Christoph, Fountain Pens, Pen Reviews.