A daguerreotype of what really can be called "Old Broadway" — showing the famous New York City thoroughfare as the 1840s country road it once was — is going up for sale at Sotheby's auction house. In the early to mid-19th century, between the American Revolution and the Starbucks revolution, the Upper West Side of Manhattan was open countryside, with large estates, white picket fences and wagons trundling along a rutted road already known as Broadway. Photographic evidence of that era is scant, as most studios offering the newfangled daguerreotypes were located several miles away at the island's populated lower...