Platinum Celluloid Midnight Ocean Octagonal

An eight-sided gold trim variation on the standard rounded Midnight Ocean, the Midnight Ocean Octagonal Celluloid fountain pen provides the excellent value and superb writing experience pen users have come to expect from Platinum.

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In Stock - usually ships in 2-4 business days.
Free nib set-up and optimization included.


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Celluloid is the classic material for quality fountain pens. This durable and well-designed cartridge-converter pen can be filled using any bottled fountain pen ink, and can also use Platinum brand cartridges.

Aurora Optima Black Resin GFT Fountain Pen
The #50 Midnight Ocean Octagonal Celluloid is furnished with your choice of solid gold 14k nib.

Platinum 14k nibs are well-suited to customizations including Stub, Cursive Italic, and Left Oblique, as well as the modification for added flex.


Unless requested otherwise, each pen or nib you purchase from us will be carefully examined, tested, and optimized for your personal writing characteristics before it ships.

Measurements & Specifications

Closed Length 5.4"
Posted Length 5.9"
Barrel Length 3.8"
Barrel Diameter 0.5"
Section Diameter 0.4"
Ink Capacity 1.5 ml
Filling System Cartridge-Converter
Cap Type Threaded
Clip With Clip
Cartridge Capacity 1.5 ml
Converter Capacity 0.6 ml
Postable Postable
Pen Weight 28.2 g
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