Who invented the type of script used in autographs?
Cuneiform script Cuneiform script ( or or ), one of the earliest systems of writing, was invented by the Sumerians. It is distinguished by its wedge-shaped marks on clay tablets, made by means of a blunt reed for a stylus. The name "cuneiform" itself simply means "wedge shaped".
Siglas poveiras The siglas poveiras (also known as marcas) is a proto-writing system that has been used by the local community of Póvoa de Varzim in Portugal for many generations. The siglas were primarily used as a signature for family coat-of-arms in order to mark family belongings. The symbols were normally written using a razor on wood, but painting on boats and beach sheds was also a common practice.