$5 Starbucks or Stack-n-Weigh Scales If You've Used USPS Click-n-Ship

If you have used USPS Click N Ship, ordered stamps online, or used their free package pickup you can get either a $5.00 Starbucks card or a set of stack and weigh scales.
You do not need to enter your account#, but you will need to provide a confirmation number from a transaction you've made.
Offer Link