Commemorative

прилагательное мемориальный, памятный Синоним(ы): memorable, unforgettable

Большой англо-русский словарь

Commemorative

adjective intended as a commemoration; especially issued in limited quantities for a relatively short period in commemoration of a person, place, or event Example: a commemorative stampcommemorative nouncommemoratively adverb

Энциклопедический словарь Мерриама-Вебстера