Definitive
Definitive, outstanding, first-rate, best, excellent, masterly, consummate, authoritative, of the highest quality, first-class, finest, superior, exemplary, and ideal.
Simple
Simple, understated, restrained, time-honoured, ageless, enduring, elegant, uncluttered, traditional, timeless, abiding, and immortal.
Typical
Typical, quintessential, model, prototypical, perfect, copybook, standard, stock, archetypal, vintage, representative, paradigmatic, prime, textbook, characteristic, and true to form.
Definitive example
Definitive example, epitome, exemplar, outstanding example, great work, masterwork, standard, model, paradigm, prototype, paragon, masterpiece, established work, and pièce de résistance.