exemplar

Something fit to be imitated; an ideal, a worthy model or role model: a desirable example.

Something typical or representative; an example that typifies its class.

A pattern after which others should be made; an archetype.

A well-known use of a scientific theory.

A manuscript used by a scribe to make a handwritten copy; the original document to be reproduced in a copy machine.

A copy of a book or piece of writing.