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Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish ...

Find Out: These 11 Rare Coins Sold for Over $1 Million For You: Warren Buffett: 10 Things Poor People Waste ... the Strawberry Leaf penny broke records for the most money paid for a penny at ...

Although they have a face value of only one cent, the most valuable ... has a stronger stamp than the front side with Lincoln ...