schematics for a 7.62 magazine, aka schematics for a 7.62 magazine, schematics, 762, 7.62, and magazine
A document that's indecipherably written in Cyrillic. However, there is a bunch of English scribbled on the document and in the margins, enough to figure out that it's for the reloading of 7.62 bullets. The pictures help too.
It tells you how to make a hand-loaded 7.62mm magazine with the following components:
Making this would take good familiarity with craft and decent familiarity with rifles.
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.