How much is a 1999 autograph from child worth?

A 1999 autograph from rapper Childish Gambino is worth around $100-$200. Because he is a very popular artist, his autograph can be worth a lot of money. There are a few factors that affect the value of an autograph, such as the condition of the autograph, the rarity of the autograph, and the popularity of the person who signed it.