Starbucks 2021 Green Botanical Collection coffee cup.

Starbucks has produced collectible mugs since the 1990s, with seasonal and limited edition designs becoming highly sought after by collectors. The 2021 Green Botanical Collection featured tropical leaf patterns celebrating nature and sustainability themes. These mugs appeal to Starbucks enthusiasts, mug collectors, and fans of botanical designs who appreciate functional collectibles. Starbucks mugs from limited collections often maintain steady resale value in the secondary market, particularly when kept in excellent condition.