This vintage Starbucks coffee coaster is a must-have for any coffee lover. Featuring the iconic UMBRA Siren Logo, this black rubber coaster was made in Canada in 1988. It is an original piece and has not been modified in any way.

The coaster is perfect for any coffee or tea enthusiast and would make a great addition to any collection. With its stylish design and durable rubber material, it is sure to protect your surfaces from any spills or stains. Get this unique piece of Starbucks history today!