
Congressional Medal of Honor
The Congressional Medal of Honor is the highest U.S. military decoration awarded for extraordinary valor in combat, though illegal to sell in the US with rare auctions occurring abroad.
Estimated value as of 2025 · Source: Extrapolated from 2021 auction sale of $15,000 for a 1898 Medal of Honor , adjus…
Fun Fact
Despite its prestige, the Medal of Honor costs only about $30 to produce, mostly from brass alloy.
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Mars Rover
The NASA Perseverance Mars Rover is a flagship-class robotic explorer designed to search for signs of ancient microbial life on Mars, launched in 2020 and landed in 2021.

Declaration of Independence
The original 1776 document declaring American independence from Britain.

The Cullinan Diamond
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing 3,106.75 carats, discovered in 1905 in South Africa and cut into multiple gems now owned by the British Crown Jewels.

Crown Jewels of England
A collection of royal regalia including crowns, scepters, and jewelry estimated at over $3 billion.