there's a handy round section of a cylinder made out of a silvery metal, with embossed motives on both sides, that carry this exact value, you can use it to trade for an item deemed similarly priced
My SO was hospitalized 18 months ago and had to use one of those. He also has prostate hypertrophy so urinates slowly as it is, and also was in diabetic ketoacidosis so was on IV fluids and insulin, and basically he spent a lot of time holding his dick in a jug really having to pee but taking forever.