What Are Your Family Treasures?

The yard sale season is upon us and I have already been out in full force since I bought a record player. I've been sorting through stacks of old LPs to find those gems I would love to take home and listen to. However, yard sales also bring up questions about family treasures. What family treasures do you have? Would you ever get rid of anything that has sentimental value, even if the monetary value is high?