Shop › Rare Signed Steuben Crystal Espresso Coffee Cup Mug - 1 of 4 Image 1 of 1 Rare Signed Steuben Crystal Espresso Coffee Cup Mug - 1 of 4 Sale Price: $99.00 Original Price: $165.00 Rare Signed Steuben Crystal Espresso Coffee Cup Mug. 1 of 4 available. Quantity: Add To Cart Added! Rare Signed Steuben Crystal Espresso Coffee Cup Mug. 1 of 4 available.