Guilloch Black is another design introduced to the series of Kaweco Classic Sport Fountain Pen. One of the most famous users was Sepp Herberger. The then coach of the German national football team brought his victorious tactics, which led to the 1954 World Cup title, with the Kaweco Sport on paper. Be a part of the famous collection.Gold plated pen nib widths are available in extra fine (for a very small and fine handwriting), fine, medium ( recommended for Beginnersto start with the spring strength M), broad (as a slightly wider pen) and double broad (often for large, dramatic signatures) size(s). Clip need to be bought separately. Pocket sized fountain pen which extends to normal size while writing..