How Many Stamps Do You Put On A 9×12 Envelope?
How Many Stamps Do You Put On A 9×12 Envelope? The first ounce of a 9×12 envelope should use two Forever Stamps (equivalent to $1). Besides, you have to pay the extra stamps for each additional ounce equivalent to $0.20. How many stamps do I need for a 9 by 13 envelope? How many stamps