This may be old news to many, but Comme des Garçons has discontinued Series 1: Leaves, including my own personal favorite, Calamus. Luckyscent has a few bottles left from this series, including Calamus, Tea, and Shiso.
Series 2: Red is being repackaged in 100 ml bottles in frosted red glass, so if you preferred the smaller 75 ml size, buy now.