Japanese Hammered Copper Coaster

Hammered copper coaster where you can nestle hot or cold drinks. Hand finished by skilled craftsmen. Coaster rim prevents condensation and moisture from dripping onto delicate surfaces and furniture. Clear lacquer prevents patina. Made in Japan since 1955. (more info)

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  • Japanese Hammered Copper Coaster - Kaufmann Mercantile1
  • Japanese Hammered Copper Coaster - Kaufmann Mercantile2
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Japanese Hammered Copper Coaster - Kaufmann Mercantile

Nestle a warm mug hot chocolate or cup of chilled water in this pure copper coaster. The hammered finish adds texture and interest to your table top, while the raised rim safely keeps condensation, moisture, or drips from getting onto delicate surfaces and furniture. A clear lacquer coating finishes the coaster, so that it maintains its original copper glint even after years of holding drinks.

The hammered copper coaster was created by Aoyoshi, an award-winning maker of household goods since 1955. The business is headquartered in Tsubame, Japan, a city known for stainless steel and metal works, with a 200-year history of creating hammered copper items. The Philadelphia Museum of Art has added several of Aoyoshi’s spoons to their collection, and the firm has also received the prestigious Good Design Award of Japan. Aoyoshi uses machine technology is used to create uniformly shaped coasters, but the deft hands of skilled craftsmen are still required to finish each piece. 

Use & Care

Copper conducts heats quickly; use caution when placing extremely hot drinks on the coaster.

This coaster should be hand washed—do not place in dishwasher. After use, wash the coaster with a natural detergent. Rinse with warm water and gently wipe clean with a soft cloth.


3" in diameter (8 cm)
Rim is 0.25" high (0.5 cm)


Made in

Key points
- Pure copper, hammered surface
- Raised rim keeps condensation off delicate surfaces 
  • USA
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