a folded scrap of paper

This small scrap of paper has been folded in two. The edges are frayed with signs of age, but the sides are smooth, indicating it has been kept pressed in a wallet or book. The crease is rough and wide, the result of many folds over the years.

It is a folded scrap of paper.
It weighs less than an ounce.

You identify a folded scrap of paper.
It weighs six drams, and it is worth about one busc.
Its keywords are paper, scrap, and recipe.