Answer
A) Use clues and you own experience to make a guess
It is probable that prehistorichumans thought of decorating the body before they thought of making use of anything that could suggest clothing. Before precious metals were discovered, people who lived along the seashore decorated themselves with a great variety of shells, fishbones, fish teeth, and coloured pebbles.
If this question has multiple answers, it'd be that the letter is dated and it is a handwritten document. If it's multiple choice. I'd say, logically, it'd be a handwritten document because anyone can put a date on a paper but it's very difficult to recreate someone's handwriting. Also, considering it was in 1854, they used feather pens and ink.