[legion]

About 8 years ago I got sent a check for the sale of shares in a privately held bank. Apparently my great-grandmother had propped up her small community bank when it almost failed during the Great Depression. She passed away in the 1986. So the shares passed to her heirs, my father being one. My father passed in 2006. My aunt became executor of my great grandmother's estate on his passing, and decided to liquidate her shares. I knew what the shares were worth on the date of sale in 2010, but the previous time a share had been sold was in 1973. I just assumed a flat rate of appreciation from 1973-2010, and figured I had four years of appreciation. It's really hard to value an illiquid asset.