<p>The stamps show William and Kate sharing a hug, the Daily Express reported.<br />The official engagement portraits that feature on the stamps were taken by photographer Mario Testino.<br /><br />One stamp having a "casual image" costs 46 pence, while the more formal image stamp costs 1.10 pounds and is for overseas use.<br /><br />William has featured on stamps twice before, one marked the Queen Mother's 100th birthday and the other marked his own 21st birthday.<br /><br />Post offices will sell these stamps from April 21 - the queen's birthday - but they can also be ordered via the Royal Mail's website from April 7.</p>
<p>The stamps show William and Kate sharing a hug, the Daily Express reported.<br />The official engagement portraits that feature on the stamps were taken by photographer Mario Testino.<br /><br />One stamp having a "casual image" costs 46 pence, while the more formal image stamp costs 1.10 pounds and is for overseas use.<br /><br />William has featured on stamps twice before, one marked the Queen Mother's 100th birthday and the other marked his own 21st birthday.<br /><br />Post offices will sell these stamps from April 21 - the queen's birthday - but they can also be ordered via the Royal Mail's website from April 7.</p>