Esterbrook Estie Fountain Pen - Honeycomb Special Edition) The Esterbrook Pen Company, a true American Original, is rewriting its long success story in modern times with a fresh new pen collection based on a complete rebranding. The first new collection is called Estie, a modern day nickname for the brand and a symbol of 1930s nostalgia. The Estie has a clean and understated design with a ringless center and a sleek and narrow pocket clip.