Vintage Parker Rollerball Pen Refill Black Medium 0.8mm 30215 Made in USA 1991

Up for sale is a vintage New Old Stock (NOS) Parker Rollerball Pen Refill in Black ink with a 0.8mm Medium point (Reorder No. 30215). This individual refill comes preserved in its original vintage blister packaging. The bottom edge of the backing card confirms its production era, featuring the vintage print code dating it specifically to January 1991 (1-91) and noting manufacture by Parker Pen U.S.A. Ltd. in Janesville, Wisconsin. The Parker Pen Company, originally founded by George Safford Parker in 1888, built a legacy on precision engineering and continuous ink innovation. By the late 20th century, the company perfected its specialized wet-ink rollerball delivery system to combine the effortless, fluid glide of a traditional fountain pen with the everyday convenience of a ballpoint. According to the original packaging instructions, this versatile style was engineered uniquely by Parker as a universal solution to fit every Parker Rollerball, Systemark, and Floating Ball pen model ever produced up to that time.  Please note that this is a historical, factory-sealed stationery item from 1991. Because it has been safely stored unused for decades as New Old Stock, it makes an excellent addition for vintage office supply collectors, historical display, or period-accurate pen restorations. Due to the natural age of liquid ink formulas over a 30+ year span, actual writing functionality cannot be guaranteed.  ----------------------------------------