This 1971 Pilot is a Button-activated “Black Stripe” cartridge/converter-fill in Stainless Steel (deeply engraved) and Black Plastic. Unlike the White Stripe model, the engraved lines are filled with black enamel and the pen has a factory decal “Capless” below the clip (a little wear), Smooth chrome clip and button. Fine nib. An extremely rare model. With the “Black Stripe” below, the only models with a round hole for the nib, rather than one which is semi-circular. Near mint.