: Stamps with a specific cent value (e.g., 25 cents) retain that exact value forever. You can use multiple old stamps on one envelope to meet the current mailing rate. 4. Third-Party Options
: Overcharged fees or service failures (e.g., Express Mail not delivered on time). usps buy back old stamps
The USPS typically does not offer cash refunds for unused stamps. Refunds are generally reserved for: : Stamps with a specific cent value (e
: You cannot exchange stamps simply because the price of postage has gone up. You must buy "makeup" stamps (e.g., 2-cent stamps) to reach the current rate. 3. Using Old Stamps United States postage never expires . Third-Party Options : Overcharged fees or service failures
: The stamps must have been on sale at local offices within the last 12 months .
: Transactions over $10 must be in original sheets or coils, and there is a total exchange limit of $100 per customer.