I keep going back to a store that’s selling a 1960s raw silk Chanel dress for 0, and I love it, but I’m hesitating to buy it at that price because there is a small stain (not noticeable at all unless you look very closely) near the bottom of the skirt. What is this . . . → Read More: How much does a small stain reduce the value of a $400 vintage 1960s Chanel dress?