March 5, 1969
High Value Machin Definitive: 1969
June 17, 1970
Hi Value Machin Definitive (Decimal Currency)
August 28, 1984
High Value Machin Definitive: 1984
September 17, 1985
High Value Machin Definitive: 1985
September 2, 1986
High Value Machin Definitive: 1986
September 15, 1987
High Value Machin Definitive: 1987
February 6, 2017
65th Anniversary of the Accession of HM The Queen
April 4, 2022
High Value Definitive (2022)
August 29, 2023
High Value Definitives (2023)
September 30, 2025
October 2025 Definitive Tariff Change
March 26, 2026
Definitive Tariff 2026 (April)
