We used letters.
Bartering.Trade with Gold & Silver primarily. (still do to this day)
Was it gold or did they just trade things for what they wanted.
They used leaves, corn cobs , sticks, and their hand.
the feathers of a bird. loaded on he inside with ink they would sharpen it
animal skin was one of the first clothing types along with foliage
Buttons.
bikes
benches
pickaxes
carriages
Fingernails!!
Brief case
horses or their feet.
wall sockets
A pen and paper!
they use to walk
Horses