A very rare £1 coin dated 1643, one year after the start of the English Civil War between the armies of King Charles I and Oliver Cromwell, surfaced after its unsuspecting owner took int into an auction house, according to BBC News.

The BBC report reads:

Timothy Medhurst, a coin specialist at Duke's Auctioneers, said: "The coin has been handed down through several generations to the current owner, who had no idea of its value.

"It is a coin which is rare to find and it will cause a stir in the coin collecting world."

Read the full post here.

2. Making it rain

"About $49,000 worth of Hong Kong bank notes 'rained' down on a street in Hong Kong on Feb. 26, 2015, according to a story published Feb. 28 on the South China Morning Post website."

3. Early Greek coin hitting the block

"The circa 525 to 500 B.C. silver stater from Kaulonia, in Bruttium (near the southern tip of Italy), is a highlight of Fritz Rudolph Künker’s ancient coin auction."

4. Roll it

Professional Coin Grading Service has a new CoinWorld.com video segment explaining how the owner of a Morgan dollar can find out how much it's worth.

5. Precious metals pricing

Kitco.com listed the following prices per ounce at 7:11 a.m. ET Tuesday:

• Gold: $1,209.10
• Silver: $16.395

6. Yesterday's most-read post

American Eagle edge variants hot: Monday Morning Brief, Mar. 2

7. Being social