What is a Tester?: Testers come in the original manufactured packaging and may be labeled Demonstration or Not for Sale. Testers are intended for promotional display and therefore, may lack the designer caps and fancy outer box packaging. Chanel No. 5 by Chanel. In 1921, Mademoiselle Chanel revolutionized the fragrance world. She launched Chanel No. 5, a fragrance she designed to be unique, incisive, and subtle. No. 5 is considered a timeless classic.