In this image released by the Royal Mail on Wednesday April 20, 2016, Britain's Prince George stands on foam blocks during a photo shoot for the Royal Mail in the summer of 2015 in the White Drawing Room at Buckingham Palace in London for a stamp sheet to mark the 90th birthday of Britain's Queen Elizabeth II. The image features four generations of the Royal family, from left, Prince Charles, Queen Elizabeth II, Prince George and Prince William, the Duke of Cambridge. (Ranald Mackechnie/Royal Mail via AP) MANDATORY CREDIT
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New stamps mark Queen Elizabeth's 90th birthday
In celebration of Queen Elizabeth's 90th birthday, the post office is unveiling a new line of stamps including a portrait of the Queen and her heirs.
01:17 - Source: CNN
Stamps around the world 5 videos
In this image released by the Royal Mail on Wednesday April 20, 2016, Britain's Prince George stands on foam blocks during a photo shoot for the Royal Mail in the summer of 2015 in the White Drawing Room at Buckingham Palace in London for a stamp sheet to mark the 90th birthday of Britain's Queen Elizabeth II. The image features four generations of the Royal family, from left, Prince Charles, Queen Elizabeth II, Prince George and Prince William, the Duke of Cambridge. (Ranald Mackechnie/Royal Mail via AP) MANDATORY CREDIT
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New stamps mark Queen Elizabeth's 90th birthday
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