California couple's buried gold coins go for sale

SAN FRANCISCO (AP) — A treasure trove of rare gold coins that were discovered by a California couple out walking their dog last year are set to go on sale. The nearly 1,430 coins date from 1847 to 1894 and have been valued at more than $11 million. One will be auctioned at the Old San Francisco Mint on Tuesday at 8:30 p.m. Most of the rest will go on sale on Amazon.com and Kagin's.com later at night. Here are five things to know about the coins and their origin:

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