Parker Duofold Senior Fountain Pen - 1920s, Red, Single Band, Huge。CIRCA 1929 PARKER DUOFOLD SENIOR FLAT TOP 。1941 PARKER STRIPED SENIOR DUOFOLD GREEN GOLD CELLULOID FOUNTAIN。Vintage Notes: Parker Duofold Senior (c.1928) | Fountain Pen Quest。Parker Duofold Senior with 14k Made in England nib.From 1959. Red color (Dark red Burgundy)I would say it is a “Fine” size nib. Aerometric type. It is currently loaded with Waterman Intense black ink and writes smoothly. You may want to clean it once before use. Since it is a 65 year old pen, of course it will have micro scratches on the barrel.