For the first time a royal birthday is being celebrated with the issuing of commemorative stamps and coins, in honour of Prince William's 21st.
The stamps sell from 17 June
More than 20 million of the stamps go on sale from 17 June, four days before his birthday.
Each one features a different photograph taken in September 2001.
They show the future king arriving at St Andrews University in Fife, visiting Anchor Mills in Paisley and at home in
In addition, the Royal Mint is issuing its first coin carrying William's portrait, modelled by sculptor and artist
The £5 coin will be on sale from his birthday until 30 September.
The photographs date from 2001
It will also bear the prince's coat of arms and the words "HRH Prince William of Wales", with a portrait of
the Queen on the other side.
Royal Mint chief executive Gerald Sheehan told the Sunday Telegraph the high-quality coins would become much sought after by collectors.
Gavin Macrae, of the Royal Mail, said: "We were delighted when the Palace agreed to a set of commemorative stamps.
"The striking images will have worldwide appeal."