Royal Copenhagen Annual Mugs

Designed by a different artist each year and produced from 1967 to 2014. The big ones hold about 20 ounces (I just measured, splashily), which is, conveniently, how much coffee I need to get started in the morning. The big ones also have a inscribable, half-dollar-sized copper piece embedded in the bottom, so they aren't microwaveable, but if you use them every day for a couple of years and put them through the dishwasher like a maniac I have it on good authority that said piece might fall off, and then you're in flavor country. Easy to find online, A+ birthday gifts.