What are the clues about buds current age the date of the poster and how old he was when momma brought the poster home to find the year from Bud Not Buddy?

In "Bud, Not Buddy," the poster shows a date of 1927, and Bud mentions that he is ten years old when his mother brought the poster home. This indicates that Bud was born in 1917. The clues suggest that Bud's current age is ten years old at the time the story takes place, which is during the Great Depression.