When I was a kid I got a painting from my grandma in xmas gift, not very funny when you are about 10 years.
I.ve had it in a box for many years, when I decided to move from my house to a appartment i had to throwAway alot of things and that painting was one thing that was going to thrash can.
1 year later I heard by coinsedense that a painting with that artist is worth about $ 5000-7000 usd.

When he was alive the price of a painting wasnt much, but after he passed away the priced become something different.. :-(