Sapporo Collection The Sapporo is a scaled down version of the Professional Gear and is available with rhodium or gold trim. The Sailor Sapporo proudly continues Sailor's tradition, offering the discerning fountain pen enthusiast a technical perfection and unsurpassed writing quality. The rhodium plated pen has a 14 carat gold rhodium plated nib. All Sapporo pens are fitted with a 14 carat gold nib.