Arcopal Volcan, late '70s/early 80's. Quality, beautiful design & craftmanship. I don't know any modern product that comes near. Almost as old as I am, used daily, but looks new. Weren't expensive either. Just hard to find.

Each time I pick it up, sip my coffee, or hold it in sunlight, my day is a little more joyful vs. using regular store-bought mug.

Manufacturer taking pride in their skills & doing what they can to fabricate the best product possible, vs. today's race-to-the bottom cheap crap where enduser opinion doesn't matter as long as a profit can be made.