Copper Coaster - Michigan (Blue Background)
IMPORTANT: These coasters are all hand-made originals, therefor no two are exactly alike.
Acid oxidized on heavy gauge copper using a 10-day, 42-step process. The copper sits on 3/8" slate and is sealed with multiple layers of commercial-grade bar top epoxy. This stops any further oxidation and protects your artwork for future generations. Rubber feet protect your surfaces from abrasions. These weigh almost a pound each!
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