The Vintage Esterbrook Black Fountain Pen with Twist Cap 1550 Esterbrook Nib USA is a classic and sought-after writing instrument from the United States. Made of durable plastic material, this fountain pen features a twist cap design for easy use and maintenance. The blue ink color adds a unique touch to your writing experience, while the vintage design adds a touch of nostalgia and charm to your collection. Perfect for pen enthusiasts and collectors alike, this Esterbrook fountain pen is a timeless piece of writing history. Untested