Used in:

• Grandmaster Assassin's Vial (Poison_making)
• Grandmaster Tinker's Spanner (Tinkering)
• Grandmaster Baker's Spoon (Baking)
• Grandmaster Tailor's Needle (Tailoring)
• Grandmaster Smith's Hammer (Blacksmithing)
• Grandmaster Fletcher's Knife (Fletching)
• Grandmaster Brewer's Corker (Brewing)
• Grandmaster Jeweler's Eyeglass (Jewelry_making)
• Grandmaster Potter's Sculpter (Pottery)

Result of:

• Artisans Seal (POTTERY)