With a standard 1st Class set of four values, Royal Mail has taken the opportunity to add the two ‘missing’ International Large Letter rates for Europe and International Large Letters of £3.25 and £4.20
In 1711, under Queen Anne, a bill created a single post office of the United Kingdom and set postage rates and delivery times, which is why some sources give that as the founding date. The Post Office (what the hell, let’s use caps here*) was now a branch of the Treasury and its...