schematics for a .71 speedload, aka schematics for a .71 speedload, 71, and speedload
A yellowing bit of ancient paper. Diagrams and technical jargon flow down its length.
It tells you how to make a .71 speedload with the following components:
Making this would take good familiarity with craft, decent familiarity with pistols, and decent familiarity with science.
In the upper right corner is a note: 'First discovered by Dr. Rade.'
It weighs about 100 grams. It is a ammunition schematic. You have no idea what it might be worth.