This is why postage stamps are said to be 'ambassadors of their country'. The world’s first postage stamp was issued in May 1840 in the United Kingdom; prior to that, a hand stamp was the popular ...
On May 6, 1840, the Penny Black, the world’s first adhesive postage stamp, became valid for use. A quiz on Indian stamps and philately, considered ‘the hobby of kings and king among hobbies’.