You can purchase Global Forever stamps at USPS.com or any local Post Office. These currently cost $1.70 per stamp (as of early 2026) and cover one-ounce letters to any country where First-Class Mail International service is available.
Many national retailers carry standard domestic stamps, but international availability varies: How to Send a Letter or Postcard: International - USPS where can i buy international postage stamps
Collectors and bulk buyers often use eBay for limited edition or older stamp designs that are still valid for international use. 3. Local Retailers & Kiosks You can purchase Global Forever stamps at USPS
Sending mail across borders is easy once you know where to find the right postage. Whether you need a single Global Forever Go to product viewer dialog for this item. If you prefer the convenience of home delivery
If you prefer the convenience of home delivery or want to use existing rewards, third-party marketplaces often stock international stamps: