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Penny Black: ‘First’ piece of mail sent using a stamp could fetch up to $2.5 million at auction
CNN via Yahoo News· 7 months agoThe first known piece of mail sent using a prepaid stamp — “one of the greatest leaps forward in...
What Is a Postal Code? A Brief History of Zip Codes
HowStuffWorks via Yahoo News· 6 months agoYou use it all the time, but what is a postal code, really? In short, a zip code expedites mail delivery and helps prevent fraudulent activity on credit...