A sheaf of laminated gray sheets, detailling instructions for metallurgical crafts., aka Uranium refining protocol and refining protocol
It tells you how to make a yellowcake with the following components:
- 3 - pitchblendes
Making this would take some familiarity with craft.
In the upper right corner is a note: 'First discovered by Dr. rice.'
It weighs about 100 grams. It is a blacksmith pattern. You think it might fetch about $2 on the market.