That was a 1797 Draped Bust, Small Eagle half dollar that went for $420,000 at Heritage's Thursday night Platinum Night auction at the Central States Numismatic Society convention in Schaumburg, Ill. 

With buyer's premium, the total price was $493,500.

Kepp reading our CSNS coverage:

• Tweets from the CSNS Show: We keep you up to date on the happenings around the Central States convention
• CSNS Platinum Night: Heritage auctioneer Mike Saddler previews a few highlights [VIDEO]
• Heritage's Platinum Night: 1880 Coiled Hair gold Stella leads CSNS auction

2. Precious metals pricing

Kitco.com listed the following prices per ounce as of 9:35 a.m. Friday:

• Gold: $1,188.20
• Silver: $15.780

3. Yesterday's most-viewed post

The £34 million worth of silver coins from SS City of Cairo have been melted

4. Something social