Parker No.1 (c 1910) Black Hard Rubber, Eyedropper. Slight uniform fading of cap. Lucky Curve feed. Sharp imprints, barrel and "1" on end barrel. Nib: "Lucky Curve" Broad, max flex. Spread 1.0 mm. Measures: 5- 3/4" capped. Diameter: 3 /8". Condition: Extra Fine. Very collectible.