Find of 2,000-year-old coin puts Potrero Hill artist, author and neighborhood historian on path to explore ancient Silk Road empire
Little over a decade ago while visiting Córdoba, a city on the southern coast of Spain, Peter Linenthal stopped at a small shop to buy stamps. It was an errand that changed his life. He noticed a box filled with old coins. He bought one for just $10. It turned out to be much more ...