$HSN$9608$$ SPEEDBALL-Signature Series Pen and Ink Set. The name Speedball is synonymous with quality lettering pens and recognized around the world as the first choice in lettering and calligraphy products. The Signature Series offers you a beautiful gold and black marbled pen with hand-crafted gold-plated #513 EF nib, 12mL of silver pigmented acrylic ink, and 12mL of gold pigmented acrylic ink. The inks are archival, acid free, waterproof and non-toxic. Conforms to ASTM D4236.