Discover a unique piece of writing instrument history with this vintage Rollerule mechanical pencil. Patented in the USA, this collectible pen features a clever integrated ruler scale on its barrel, perfect for quick measurements or calculations. The rotating top cap displays fractional markings, adding to its functional design. Crafted with a durable black barrel and elegant gold-tone accents, it includes a sturdy pocket clip for convenience. This Rollerule is a fantastic addition for collectors of vintage pens, drafting tools, or unique mechanical pencils. A rare find that combines writing with utility.
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