Essential Concepts & Key Facts
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- Philately is the scientific study and systematic collection of postage stamps, stamped envelopes, and postal history.
- French collector Georges Herpin coined the term philately in 1864 from the Greek roots philos (loving) and ateleia (tax-exempt).
- The Penny Black, issued in Great Britain on May 1, 1840, was the world's first official adhesive postage stamp.
- Sir Rowland Hill designed the Penny Black as part of his sweeping Uniform Penny Post reforms to eliminate recipient-paid postage.
- The Penny Black featured an engraved profile portrait of young Queen Victoria, based on the City Medal created by William Wyon.
- Great Britain is the only country in the world exempt from printing its national name on postage stamps by international UPU convention.
- The Scinde Dawk, issued in 1852 in Sindh (now Pakistan) by Sir Bartle Frere, was the first adhesive postage stamp in Asia.
- India's first nationwide postage stamps, featuring Queen Victoria in half-anna, one-anna, two-anna, and four-anna values, debuted in 1854.
- Definitive stamps are regular, long-running stamps issued for everyday mail carriage without expiration dates.
- Commemorative stamps are limited-edition stamps printed to honor significant historical events, distinguished personalities, or national icons.
- A First Day Cover (FDC) is a stamped envelope postmarked on the very first day the postage stamp is officially issued.
- Stamp perforation was invented by Henry Archer in the 1840s, replacing the tedious practice of cutting stamps from sheets with scissors.
- Perforation gauges measure the number of perforation teeth or holes occurring within a standard span of two centimetres.
- Watermarks are faint designs pressed into paper pulp during manufacture, serving as security devices against counterfeiting.
- The "Inverted Jenny", printed in the United States in 1918, is a famous philatelic rarity showing an upside-down Curtiss JN-4 biplane.
- The British Guiana 1c Magenta of 1856 is widely regarded as the world's rarest and most valuable single postage stamp.
- The Universal Postal Union (UPU), established by the Treaty of Bern in 1874, coordinates international postal regulations and standards.
- The National Philatelic Museum in New Delhi, maintained by India Post, houses an exhaustive archive of Indian postal history.
- Thematic (topical) collecting involves assembling stamps centered on specific subjects, such as wildlife, aviation, space, or Mahatma Gandhi.
- Philatelic preservation mandates storing stamps in acid-free albums using archival stamp hinges or clear protective plastic mounts.
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