Tested and working. The Vintage Parker 51 Mechanical Pencil in Gray from 1949/1950 is a collectible writing instrument known for its classic design and durable construction. Made by the reputable brand Parker in the United States, this pencil features a sleek plastic material that allows for smooth and precise writing. Its vintage status adds a unique charm and nostalgia to its appeal, making it a sought-after piece for collectors of vintage pens and pencils.