For vintage Levi's collectors, understanding the details of your jeans is key to determining their value. The number 6 stamped on the back of the top button is a special code, representing one of Levi's oldest factories in the United States. This button mark is a crucial detail for authenticating and dating Levi's 501 "Small e" jeans.
Usually Levi’s 501 jeans selvage, many of which have been worn, must know that "Black bar tag". At the top corner of the back pocket Even Levi’s 501 jeans that are not selvage red line. During the overlapping period of change, from 1983 on wards, non selvage. We also found a non selvage red line "black bar tag". Can be found less Therefore considered a rare jeans as well.