GB 2025 KCIII £3.40 International Letter Tariff Definitive Stamp First Day Cover unaddressed, date code M25L, Windsor postmark, issue date 30/09/2025.

This is the new international letter tariff stamp issued for all Worldwide letters <100g effective from 06/10/2025 and will replace the current rate of £3.20. The colour of the new £3.40 stamp is Dark Green.

Please note that if purchased prior to the issue date, the item will be dispatched on 30/09/2025.

Please visit my shop DKA STAMPS for all other items of the New International Tariff issue including single stamps with various margins.