Key System: Cork-back coaster

This 1903 Key System logo cork-back coaster  is a great piece of  Bay Area transit history!  Mix and match to create a local old school set!  The coaster is waterproof and heat-resistant, designed to last a long time. Buy it for yourself or as a lovely gift for your friends and family. • Hardboard MDF 0.12″ (3 mm) • Cork 0.04″ (1 mm) • High-gloss coating on top • Size: 3.74″ × 3.74″ × 0.16″ (95 × 95 × 4 mm) • Rounded corners • Water-repellent, heat-resistant, and non-slip • Easy to clean The displayed price is for a single item.