This is the Sheaffer Imperial Sovereign in 14K Gold Filled, featuring the classic diamond grid (crosshatch) pattern and early 1970’s which briefly produced with Ebonite Feed and later Sheaffer changed to plastic resin feed to save cost. It is rare to see ebonite feed. And, it also comes with original ink converter which still works well. Do not miss one of the best vintage fountain pen Sheaffer ever produced. Model Identification & Finish. Model: Sheaffer Imperial Sovereign. Body & Cap: 14K Gold Filled overlay featuring a deep diamond-cut grid pattern with dark contrasting recesses. Cap Details: Friction/snap-on cap fitted with Sheaffer’s signature White Dot clip and stamped SHEAFFER U. Around the lip band. Nib & Ebonite Feed Architecture. Nib: 14K Gold integrated Inlaid Nib stamped. , seamlessly flush-mounted into the black acrylic grip section. Feed: Early production machined ebonite feed tucked behind the inlaid nib shell. Ebonite’s natural capillary properties keep ink flowing wetly and continuously without the air-locking issues often seen in early synthetic feeds. Mechanics & Filling System. Filling Mechanism: Dual cartridge/converter system. It comes with an original Sheaffer squeeze (press-bar) converter installed.
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