What's the best way to clean a coin? - Quora

Answer (1 of 8): The general rule of thumb is to never clean coins. Ever. This is particularly important with valuable coins, because a speculator might clean the coin to improve it’s worth - but most cleaning actually is visible to coin graders, and such attempts actually reduce the coins value.

Where would you go to convert a few gold coins into cash? - Quora

How much is a penny from 1850 worth today? - Quora

Plagiarism on Quora: The Latest Scandal - Tales of Times Forgotten

How did you find your valuable US coin? If I would go through my spare coins, what coins should I focus on? How do you clean your coin (the rare ones that

How to cut a coin in half - Quora

What are good ways to clean silver coins? - Quora

What's the best method for cleaning buried old coins without ruining the patina? - Quora

How To Clean Coins

3 Ways to Clean Ancient Coins - wikiHow

What are the best ways to clean old coins without damaging them? - Quora

Will a jewelry cleaner clean coins? - Quora

How much can I get for these Indian coins? - Quora

How to straighten out a dollar bill - Quora

How to flip $100 - Quora