The price of a first-class stamp increased by 10p to 95p from Monday. Second-class stamps have increased by 2p to 68p. The Royal Mail said there had been a long-term decline in letter usage, coupled with rising inflation. Letter volumes have fallen by more than 60% since their peak in 2004-2005 and by about 20% since the start of the pandemic. Nick Landon, the chief commercial officer at Royal...