Vintage Arcoroc Sierra model cups and saucers

Set of 4 arcoroc sierra model cups and saucers from the 70s. Amber in color, with a granite effect on the exterior. In very good vintage condition, no major defects, very shiny. They are a few decades old and may show some slight signs of use. Cups: 8.5 cm in diameter and 4.5 cm in height. Saucers: 14 cm in diameter.