Speedball Signature Series Calligraphy Set, Gold and Silver A quality choice in calligraphy pens Includes gold and black marbled pen with hand-crafted gold-plated Number 513 ef nib, 12-milliliter of silver pigmented acrylic ink, and 12-milliliter of gold pigmented acrylic ink The inks are archival, acid free, waterproof and non-toxic. Conforms to ASTM d4236 Made in USA