Swan 300, flexible nib

Swan 300 , an eyedropper made of ebonite. Nr 3 Swan nib with an usual breathing hole. Flexible, f-1.5mm. 13.5 cm closed, 17.5cm posted. Used to be chased, unfortunately not much of it left. Imprints still there, but not clear. Slight brassing on the bands. $150 shipping included